45172296 has 64 divisors (see below), whose sum is σ = 135139200. Its totient is φ = 13898304.

The previous prime is 45172289. The next prime is 45172307. The reversal of 45172296 is 69227154.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45172296.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (2111550).

Almost surely, 2^45172296 is an apocalyptic number.

It is an amenable number.

45172296 is an abundant number, since it is smaller than the sum of its proper divisors (89966904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45172296 is a wasteful number, since it uses less digits than its factorization.

45172296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115 (or 16105 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45172296 is about 6721.0338490444. The cubic root of 45172296 is about 356.1427067475.

The spelling of 45172296 in words is "forty-five million, one hundred seventy-two thousand, two hundred ninety-six".