45289928 has 16 divisors (see below), whose sum is σ = 85033500. Its totient is φ = 22614336.

The previous prime is 45289913. The next prime is 45289957. The reversal of 45289928 is 82998254.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 158404 = 6718^2 + 398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 10046.

Almost surely, 2^45289928 is an apocalyptic number.

It is an amenable number.

45289928 is a deficient number, since it is larger than the sum of its proper divisors (39743572).

45289928 is a wasteful number, since it uses less digits than its factorization.

45289928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664 (or 7660 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 45289928 is about 6729.7791940003. The cubic root of 45289928 is about 356.4515794436.

The spelling of 45289928 in words is "forty-five million, two hundred eighty-nine thousand, nine hundred twenty-eight".