45044039 has 2 divisors, whose sum is σ = 45044040. Its totient is φ = 45044038.

The previous prime is 45044029. The next prime is 45044099. The reversal of 45044039 is 93044054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45044039 - 2⁸ = 45043783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45044029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22522019 + 22522020.

It is an arithmetic number, because the mean of its divisors is an integer number (22522020).

Almost surely, 2^45044039 is an apocalyptic number.

45044039 is a deficient number, since it is larger than the sum of its proper divisors (1).

45044039 is an equidigital number, since it uses as much as digits as its factorization.

45044039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45044039 is about 6711.4856030539. The cubic root of 45044039 is about 355.8053237476.

The spelling of 45044039 in words is "forty-five million, forty-four thousand, thirty-nine".