45216992 has 12 divisors (see below), whose sum is σ = 89021016. Its totient is φ = 22608480.

The previous prime is 45216949. The next prime is 45217013. The reversal of 45216992 is 29961254.

45216992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 706484 + ... + 706547.

It is an arithmetic number, because the mean of its divisors is an integer number (7418418).

Almost surely, 2^45216992 is an apocalyptic number.

It is an amenable number.

45216992 is a deficient number, since it is larger than the sum of its proper divisors (43804024).

45216992 is a wasteful number, since it uses less digits than its factorization.

45216992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413041 (or 1413033 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 45216992 is about 6724.3581106303. The cubic root of 45216992 is about 356.2601305419.

The spelling of 45216992 in words is "forty-five million, two hundred sixteen thousand, nine hundred ninety-two".