45287604 has 18 divisors (see below), whose sum is σ = 114477090. Its totient is φ = 15095856.

The previous prime is 45287603. The next prime is 45287629. The reversal of 45287604 is 40678254.

45287604 is a `hidden beast` number, since 45 + 2 + 8 + 7 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 6200100 = 6252^2 + 2490^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1257989 = 45287604 / (4 + 5 + 2 + 8 + 7 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45287603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628959 + ... + 629030.

Almost surely, 2^45287604 is an apocalyptic number.

It is an amenable number.

45287604 is an abundant number, since it is smaller than the sum of its proper divisors (69189486).

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

45287604 is a wasteful number, since it uses less digits than its factorization.

45287604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257999 (or 1257994 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 45287604 is about 6729.6065263877. The cubic root of 45287604 is about 356.4454823732.

The spelling of 45287604 in words is "forty-five million, two hundred eighty-seven thousand, six hundred four".