45771928 has 16 divisors (see below), whose sum is σ = 85958280. Its totient is φ = 22849728.

The previous prime is 45771919. The next prime is 45771941. The reversal of 45771928 is 82917754.

45771928 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 in 3 ways as a sum of consecutive naturals, for example, 1276 + ... + 9652.

Almost surely, 2^45771928 is an apocalyptic number.

It is an amenable number.

45771928 is a deficient number, since it is larger than the sum of its proper divisors (40186352).

45771928 is a wasteful number, since it uses less digits than its factorization.

45771928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066 (or 9062 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 45771928 is about 6765.4953994515. The cubic root of 45771928 is about 357.7116369584.

The spelling of 45771928 in words is "forty-five million, seven hundred seventy-one thousand, nine hundred twenty-eight".