45397288272 has 40 divisors (see below), whose sum is σ = 134030090176. Its totient is φ = 12970653696.

The previous prime is 45397288271. The next prime is 45397288309. The reversal of 45397288272 is 27288279354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45397288271) 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, 67555153 + ... + 67555824.

Almost surely, 2^45397288272 is an apocalyptic number.

45397288272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45397288272 is an abundant number, since it is smaller than the sum of its proper divisors (88632801904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45397288272 is a wasteful number, since it uses less digits than its factorization.

45397288272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135110995 (or 135110989 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 45397288272 in words is "forty-five billion, three hundred ninety-seven million, two hundred eighty-eight thousand, two hundred seventy-two".