45273255172 has 24 divisors (see below), whose sum is σ = 80803386720. Its totient is φ = 22188786240.

The previous prime is 45273255149. The next prime is 45273255211. The reversal of 45273255172 is 27155237254.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194529 + ... + 358312.

It is an arithmetic number, because the mean of its divisors is an integer number (3366807780).

Almost surely, 2^45273255172 is an apocalyptic number.

It is an amenable number.

45273255172 is a deficient number, since it is larger than the sum of its proper divisors (35530131548).

45273255172 is a wasteful number, since it uses less digits than its factorization.

45273255172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553251 (or 553249 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The spelling of 45273255172 in words is "forty-five billion, two hundred seventy-three million, two hundred fifty-five thousand, one hundred seventy-two".