45428972 has 6 divisors (see below), whose sum is σ = 79500708. Its totient is φ = 22714484.

The previous prime is 45428969. The next prime is 45428983. The reversal of 45428972 is 27982454.

45428972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5678618 + ... + 5678625.

It is an arithmetic number, because the mean of its divisors is an integer number (13250118).

Almost surely, 2^45428972 is an apocalyptic number.

It is an amenable number.

45428972 is a deficient number, since it is larger than the sum of its proper divisors (34071736).

45428972 is a wasteful number, since it uses less digits than its factorization.

45428972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357247 (or 11357245 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 45428972 is about 6740.1017796470. The cubic root of 45428972 is about 356.8159858476.

The spelling of 45428972 in words is "forty-five million, four hundred twenty-eight thousand, nine hundred seventy-two".