45589428 has 18 divisors (see below), whose sum is σ = 115240034. Its totient is φ = 15196464.

The previous prime is 45589403. The next prime is 45589429. The reversal of 45589428 is 82498554.

45589428 is a `hidden beast` number, since 4 + 558 + 94 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30935844 + 14653584 = 5562^2 + 3828^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45589429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633151 + ... + 633222.

Almost surely, 2^45589428 is an apocalyptic number.

It is an amenable number.

45589428 is an abundant number, since it is smaller than the sum of its proper divisors (69650606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45589428 is a wasteful number, since it uses less digits than its factorization.

45589428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266383 (or 1266378 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 45589428 is about 6751.9943720356. The cubic root of 45589428 is about 357.2355858570.

The spelling of 45589428 in words is "forty-five million, five hundred eighty-nine thousand, four hundred twenty-eight".