Base | Representation |
---|---|
bin | 10001011001001… |
… | …00101001010011 |
3 | 101011112121010211 |
4 | 20230210221103 |
5 | 244322332123 |
6 | 22251104551 |
7 | 3421101511 |
oct | 1054445123 |
9 | 334477124 |
10 | 145902163 |
11 | 753a3500 |
12 | 40a42157 |
13 | 242c5954 |
14 | 1553d4b1 |
15 | cc2040d |
hex | 8b24a53 |
145902163 has 12 divisors (see below), whose sum is σ = 163404864. Its totient is φ = 130130000.
The previous prime is 145902157. The next prime is 145902173. The reversal of 145902163 is 361209541.
It is not a de Polignac number, because 145902163 - 225 = 112347731 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145902173) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963 + ... + 17788.
It is an arithmetic number, because the mean of its divisors is an integer number (13617072).
Almost surely, 2145902163 is an apocalyptic number.
145902163 is a deficient number, since it is larger than the sum of its proper divisors (17502701).
145902163 is a wasteful number, since it uses less digits than its factorization.
145902163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22826 (or 22815 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 145902163 is about 12078.9967712555. The cubic root of 145902163 is about 526.4460968611.
The spelling of 145902163 in words is "one hundred forty-five million, nine hundred two thousand, one hundred sixty-three".
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