45512004 has 24 divisors (see below), whose sum is σ = 106902208. Its totient is φ = 15069600.

The previous prime is 45511997. The next prime is 45512021. The reversal of 45512004 is 40021554.

45512004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 10747 + ... + 14370.

Almost surely, 2^45512004 is an apocalyptic number.

It is an amenable number.

45512004 is an abundant number, since it is smaller than the sum of its proper divisors (61390204).

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

45512004 is a wasteful number, since it uses less digits than its factorization.

45512004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25275 (or 25273 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45512004 is about 6746.2585186161. The cubic root of 45512004 is about 357.0332415751.

Adding to 45512004 its reverse (40021554), we get a palindrome (85533558).

It can be divided in two parts, 4551 and 2004, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 45512004 in words is "forty-five million, five hundred twelve thousand, four".