45112972 has 6 divisors (see below), whose sum is σ = 78947708. Its totient is φ = 22556484.

The previous prime is 45112937. The next prime is 45112979. The reversal of 45112972 is 27921154.

It is not an unprimeable number, because it can be changed into a prime (45112979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639118 + ... + 5639125.

Almost surely, 2^45112972 is an apocalyptic number.

It is an amenable number.

45112972 is a deficient number, since it is larger than the sum of its proper divisors (33834736).

45112972 is a wasteful number, since it uses less digits than its factorization.

45112972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278247 (or 11278245 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 45112972 is about 6716.6190899887. The cubic root of 45112972 is about 355.9867330830.

The spelling of 45112972 in words is "forty-five million, one hundred twelve thousand, nine hundred seventy-two".