45130972 has 24 divisors (see below), whose sum is σ = 82460000. Its totient is φ = 21591360.

The previous prime is 45130961. The next prime is 45130979. The reversal of 45130972 is 27903154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45130979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6529 + ... + 11527.

Almost surely, 2^45130972 is an apocalyptic number.

It is an amenable number.

45130972 is a deficient number, since it is larger than the sum of its proper divisors (37329028).

45130972 is a wasteful number, since it uses less digits than its factorization.

45130972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 45130972 is about 6717.9589162185. The cubic root of 45130972 is about 356.0340728234.

The spelling of 45130972 in words is "forty-five million, one hundred thirty thousand, nine hundred seventy-two".