45919372 has 12 divisors (see below), whose sum is σ = 81262440. Its totient is φ = 22701536.

The previous prime is 45919361. The next prime is 45919381. The reversal of 45919372 is 27391954.

45919372 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 in 3 ways as a sum of consecutive naturals, for example, 64138 + ... + 64849.

It is an arithmetic number, because the mean of its divisors is an integer number (6771870).

Almost surely, 2^45919372 is an apocalyptic number.

It is an amenable number.

45919372 is a deficient number, since it is larger than the sum of its proper divisors (35343068).

45919372 is a wasteful number, since it uses less digits than its factorization.

45919372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129080 (or 129078 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 45919372 is about 6776.3834011957. The cubic root of 45919372 is about 358.0953212047.

The spelling of 45919372 in words is "forty-five million, nine hundred nineteen thousand, three hundred seventy-two".