45437872 has 20 divisors (see below), whose sum is σ = 93215016. Its totient is φ = 21382400.

The previous prime is 45437851. The next prime is 45437879. The reversal of 45437872 is 27873454.

45437872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45437879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83254 + ... + 83797.

Almost surely, 2^45437872 is an apocalyptic number.

It is an amenable number.

45437872 is an abundant number, since it is smaller than the sum of its proper divisors (47777144).

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

45437872 is a wasteful number, since it uses less digits than its factorization.

45437872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167076 (or 167070 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 45437872 is about 6740.7619747325. The cubic root of 45437872 is about 356.8392856258.

The spelling of 45437872 in words is "forty-five million, four hundred thirty-seven thousand, eight hundred seventy-two".