45744172 has 12 divisors (see below), whose sum is σ = 84265720. Its totient is φ = 21668256.

The previous prime is 45744169. The next prime is 45744197. The reversal of 45744172 is 27144754.

It is a happy number.

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, 300873 + ... + 301024.

Almost surely, 2^45744172 is an apocalyptic number.

It is an amenable number.

45744172 is a deficient number, since it is larger than the sum of its proper divisors (38521548).

45744172 is a wasteful number, since it uses less digits than its factorization.

45744172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601920 (or 601918 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 45744172 is about 6763.4437973565. The cubic root of 45744172 is about 357.6393171457.

The spelling of 45744172 in words is "forty-five million, seven hundred forty-four thousand, one hundred seventy-two".