45004473 has 12 divisors (see below), whose sum is σ = 66233700. Its totient is φ = 29436576.

The previous prime is 45004471. The next prime is 45004481. The reversal of 45004473 is 37440054.

It can be written as a sum of positive squares in 2 ways, for example, as 40793769 + 4210704 = 6387^2 + 2052^2 .

It is not a de Polignac number, because 45004473 - 2¹ = 45004471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45004471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46698 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (5519475).

Almost surely, 2^45004473 is an apocalyptic number.

It is an amenable number.

45004473 is a deficient number, since it is larger than the sum of its proper divisors (21229227).

45004473 is a wasteful number, since it uses less digits than its factorization.

45004473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94408 (or 94405 counting only the distinct ones).

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

The square root of 45004473 is about 6708.5373219503. The cubic root of 45004473 is about 355.7011152317.

The spelling of 45004473 in words is "forty-five million, four thousand, four hundred seventy-three".