45587728 has 10 divisors (see below), whose sum is σ = 88326254. Its totient is φ = 22793856.

The previous prime is 45587723. The next prime is 45587743. The reversal of 45587728 is 82778554.

45587728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 7246864 = 6192^2 + 2692^2 .

It is not an unprimeable number, because it can be changed into a prime (45587723) 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 as a sum of consecutive naturals, namely, 1424601 + ... + 1424632.

Almost surely, 2^45587728 is an apocalyptic number.

It is an amenable number.

45587728 is a deficient number, since it is larger than the sum of its proper divisors (42738526).

45587728 is a wasteful number, since it uses less digits than its factorization.

45587728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849241 (or 2849235 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 45587728 is about 6751.8684821314. The cubic root of 45587728 is about 357.2311454413.

The spelling of 45587728 in words is "forty-five million, five hundred eighty-seven thousand, seven hundred twenty-eight".