Base | Representation |
---|---|
bin | 10001010111111… |
… | …10001001100101 |
3 | 101011020120211220 |
4 | 20223332021211 |
5 | 244302310420 |
6 | 22243450553 |
7 | 3416544015 |
oct | 1053761145 |
9 | 334216756 |
10 | 145744485 |
11 | 752a5a97 |
12 | 40986a59 |
13 | 2426bc53 |
14 | 154dbc45 |
15 | cbdd840 |
hex | 8afe265 |
145744485 has 64 divisors (see below), whose sum is σ = 258785280. Its totient is φ = 69719040.
The previous prime is 145744477. The next prime is 145744507. The reversal of 145744485 is 584447541.
It is not a de Polignac number, because 145744485 - 23 = 145744477 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 814126 + ... + 814304.
It is an arithmetic number, because the mean of its divisors is an integer number (4043520).
Almost surely, 2145744485 is an apocalyptic number.
145744485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145744485 is a deficient number, since it is larger than the sum of its proper divisors (113040795).
145744485 is a wasteful number, since it uses less digits than its factorization.
145744485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338.
The product of its digits is 358400, while the sum is 42.
The square root of 145744485 is about 12072.4680575266. The cubic root of 145744485 is about 526.2563832274.
The spelling of 145744485 in words is "one hundred forty-five million, seven hundred forty-four thousand, four hundred eighty-five".
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