45039844 has 12 divisors (see below), whose sum is σ = 79930368. Its totient is φ = 22202600.

The previous prime is 45039811. The next prime is 45039847. The reversal of 45039844 is 44893054.

It is not an unprimeable number, because it can be changed into a prime (45039847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79012 + ... + 79579.

It is an arithmetic number, because the mean of its divisors is an integer number (6660864).

Almost surely, 2^45039844 is an apocalyptic number.

It is an amenable number.

45039844 is a deficient number, since it is larger than the sum of its proper divisors (34890524).

45039844 is a wasteful number, since it uses less digits than its factorization.

45039844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158666 (or 158664 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 45039844 is about 6711.1730718258. The cubic root of 45039844 is about 355.7942778933.

The spelling of 45039844 in words is "forty-five million, thirty-nine thousand, eight hundred forty-four".