45900172 has 12 divisors (see below), whose sum is σ = 80463600. Its totient is φ = 22910576.

The previous prime is 45900161. The next prime is 45900191. The reversal of 45900172 is 27100954.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45900172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7183 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (6705300).

Almost surely, 2^45900172 is an apocalyptic number.

It is an amenable number.

45900172 is a deficient number, since it is larger than the sum of its proper divisors (34563428).

45900172 is a wasteful number, since it uses less digits than its factorization.

45900172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19760 (or 19758 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 45900172 is about 6774.9665681832. The cubic root of 45900172 is about 358.0454048088.

The spelling of 45900172 in words is "forty-five million, nine hundred thousand, one hundred seventy-two".