45044073 has 8 divisors (see below), whose sum is σ = 66732000. Its totient is φ = 30029364.

The previous prime is 45044039. The next prime is 45044099. The reversal of 45044073 is 37044054.

It is not a de Polignac number, because 45044073 - 2⁹ = 45043561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1668299 = 45044073 / (4 + 5 + 0 + 4 + 4 + 0 + 7 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45045073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834123 + ... + 834176.

It is an arithmetic number, because the mean of its divisors is an integer number (8341500).

Almost surely, 2^45044073 is an apocalyptic number.

It is an amenable number.

45044073 is a deficient number, since it is larger than the sum of its proper divisors (21687927).

45044073 is a wasteful number, since it uses less digits than its factorization.

45044073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668308 (or 1668302 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 45044073 is about 6711.4881360247. The cubic root of 45044073 is about 355.8054132702.

The spelling of 45044073 in words is "forty-five million, forty-four thousand, seventy-three".