45087008 has 18 divisors (see below), whose sum is σ = 88839891. Its totient is φ = 22524512.

The previous prime is 45087001. The next prime is 45087023. The reversal of 45087008 is 80078054.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 22543504 + 22543504 = 4748^2 + 4748^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4748.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45087001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37391 + ... + 38577.

Almost surely, 2^45087008 is an apocalyptic number.

It is an amenable number.

45087008 is a deficient number, since it is larger than the sum of its proper divisors (43752883).

45087008 is an frugal number, since it uses more digits than its factorization.

45087008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 45087008 is about 6714.6859941475. The cubic root of 45087008 is about 355.9184259503.

Multiplying 45087008 by its sum of digits (32), we get a square (1442784256 = 37984²).

45087008 divided by its sum of digits (32) gives a square (1408969 = 1187²).

The spelling of 45087008 in words is "forty-five million, eighty-seven thousand, eight".