45137272 has 16 divisors (see below), whose sum is σ = 86601240. Its totient is φ = 22043616.

The previous prime is 45137263. The next prime is 45137273. The reversal of 45137272 is 27273154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45137273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65263 + ... + 65950.

Almost surely, 2^45137272 is an apocalyptic number.

It is an amenable number.

45137272 is a deficient number, since it is larger than the sum of its proper divisors (41463968).

45137272 is a wasteful number, since it uses less digits than its factorization.

45137272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131262 (or 131258 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 45137272 is about 6718.4277922740. The cubic root of 45137272 is about 356.0506387588.

The spelling of 45137272 in words is "forty-five million, one hundred thirty-seven thousand, two hundred seventy-two".