45149992 has 16 divisors (see below), whose sum is σ = 84772800. Its totient is φ = 22543920.

The previous prime is 45149987. The next prime is 45150029. The reversal of 45149992 is 29994154.

45149992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (116640) is a multiple of the sum of its prime factors (7776).

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 in 3 ways as a sum of consecutive naturals, for example, 3009 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (5298300).

Almost surely, 2^45149992 is an apocalyptic number.

It is an amenable number.

45149992 is a deficient number, since it is larger than the sum of its proper divisors (39622808).

45149992 is a wasteful number, since it uses less digits than its factorization.

45149992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776 (or 7772 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 45149992 is about 6719.3743756394. The cubic root of 45149992 is about 356.0840814738.

The spelling of 45149992 in words is "forty-five million, one hundred forty-nine thousand, nine hundred ninety-two".