45004172 has 12 divisors (see below), whose sum is σ = 81473280. Its totient is φ = 21726096.

The previous prime is 45004163. The next prime is 45004189. The reversal of 45004172 is 27140054.

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, 193868 + ... + 194099.

It is an arithmetic number, because the mean of its divisors is an integer number (6789440).

Almost surely, 2^45004172 is an apocalyptic number.

It is an amenable number.

45004172 is a deficient number, since it is larger than the sum of its proper divisors (36469108).

45004172 is a wasteful number, since it uses less digits than its factorization.

45004172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388000 (or 387998 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45004172 is about 6708.5148878124. The cubic root of 45004172 is about 355.7003222270.

The spelling of 45004172 in words is "forty-five million, four thousand, one hundred seventy-two".