145,025
145,025 is a composite number, odd.
145,025 (one hundred forty-five thousand twenty-five) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 5² × 5,801. Written other ways, in hexadecimal, 0x23681.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 520,541
- Recamán's sequence
- a(218,366) = 145,025
- Square (n²)
- 21,032,250,625
- Cube (n³)
- 3,050,202,146,890,625
- Divisor count
- 6
- σ(n) — sum of divisors
- 179,862
- φ(n) — Euler's totient
- 116,000
- Sum of prime factors
- 5,811
Primality
Prime factorization: 5 2 × 5801
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√145,025 = [380; (1, 4, 1, 1, 1, 1, 23, 1, 25, 3, 3, 2, 11, 2, 6, 1, 5, 2, 2, 1, 68, 1, 1, 8, …)]
Period length 59 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-five thousand twenty-five
- Ordinal
- 145025th
- Binary
- 100011011010000001
- Octal
- 433201
- Hexadecimal
- 0x23681
- Base64
- AjaB
- One's complement
- 4,294,822,270 (32-bit)
- Scientific notation
- 1.45025 × 10⁵
- As a duration
- 145,025 s = 1 day, 16 hours, 17 minutes, 5 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμεκεʹ
- Mayan (base 20)
- 𝋲·𝋢·𝋫·𝋥
- Chinese
- 一十四萬五千零二十五
- Chinese (financial)
- 壹拾肆萬伍仟零貳拾伍
Also seen as
UTF-8 encoding: F0 A3 9A 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.54.129.
- Address
- 0.2.54.129
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.54.129
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 145,025 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.