45172464 has 20 divisors (see below), whose sum is σ = 116695656. Its totient is φ = 15057472.

The previous prime is 45172453. The next prime is 45172471. The reversal of 45172464 is 46427154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470499 + ... + 470594.

Almost surely, 2^45172464 is an apocalyptic number.

It is an amenable number.

45172464 is an abundant number, since it is smaller than the sum of its proper divisors (71523192).

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

45172464 is a wasteful number, since it uses less digits than its factorization.

45172464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941104 (or 941098 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 45172464 is about 6721.0463471099. The cubic root of 45172464 is about 356.1431482563.

The spelling of 45172464 in words is "forty-five million, one hundred seventy-two thousand, four hundred sixty-four".