45036872 has 8 divisors (see below), whose sum is σ = 84444150. Its totient is φ = 22518432.

The previous prime is 45036869. The next prime is 45036899. The reversal of 45036872 is 27863054.

It is a happy number.

45036872 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., 39112516 + 5924356 = 6254^2 + 2434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 2814797 + ... + 2814812.

Almost surely, 2^45036872 is an apocalyptic number.

It is an amenable number.

45036872 is a deficient number, since it is larger than the sum of its proper divisors (39407278).

45036872 is a wasteful number, since it uses less digits than its factorization.

45036872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629615 (or 5629611 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45036872 is about 6710.9516463762. The cubic root of 45036872 is about 355.7864519052.

The spelling of 45036872 in words is "forty-five million, thirty-six thousand, eight hundred seventy-two".