45573728 has 24 divisors (see below), whose sum is σ = 89874288. Its totient is φ = 22748544.

The previous prime is 45573727. The next prime is 45573769. The reversal of 45573728 is 82737554.

45573728 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 not an unprimeable number, because it can be changed into a prime (45573727) by changing a digit.

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, 34325 + ... + 35627.

It is an arithmetic number, because the mean of its divisors is an integer number (3744762).

Almost surely, 2^45573728 is an apocalyptic number.

It is an amenable number.

45573728 is a deficient number, since it is larger than the sum of its proper divisors (44300560).

45573728 is a wasteful number, since it uses less digits than its factorization.

45573728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2398 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 45573728 is about 6750.8316524707. The cubic root of 45573728 is about 357.1945731128.

The spelling of 45573728 in words is "forty-five million, five hundred seventy-three thousand, seven hundred twenty-eight".