45358172 has 12 divisors (see below), whose sum is σ = 80333736. Its totient is φ = 22405680.

The previous prime is 45358171. The next prime is 45358207. The reversal of 45358172 is 27185354.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45358171) 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, 67979 + ... + 68642.

It is an arithmetic number, because the mean of its divisors is an integer number (6694478).

Almost surely, 2^45358172 is an apocalyptic number.

It is an amenable number.

45358172 is a deficient number, since it is larger than the sum of its proper divisors (34975564).

45358172 is a wasteful number, since it uses less digits than its factorization.

45358172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136708 (or 136706 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 45358172 is about 6734.8475855063. The cubic root of 45358172 is about 356.6305263213.

The spelling of 45358172 in words is "forty-five million, three hundred fifty-eight thousand, one hundred seventy-two".