45039036 has 36 divisors (see below), whose sum is σ = 122250408. Its totient is φ = 12868128.

The previous prime is 45039023. The next prime is 45039041. The reversal of 45039036 is 63093054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45038994 and 45039012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37711 + ... + 38886.

Almost surely, 2^45039036 is an apocalyptic number.

It is an amenable number.

45039036 is an abundant number, since it is smaller than the sum of its proper divisors (77211372).

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

45039036 is a wasteful number, since it uses less digits than its factorization.

45039036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76618 (or 76609 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 45039036 is about 6711.1128734361. The cubic root of 45039036 is about 355.7921502698.

The spelling of 45039036 in words is "forty-five million, thirty-nine thousand, thirty-six".