45572399 has 2 divisors, whose sum is σ = 45572400. Its totient is φ = 45572398.

The previous prime is 45572383. The next prime is 45572437. The reversal of 45572399 is 99327554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45572399 - 2⁴ = 45572383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45572599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22786199 + 22786200.

It is an arithmetic number, because the mean of its divisors is an integer number (22786200).

Almost surely, 2^45572399 is an apocalyptic number.

45572399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45572399 is an equidigital number, since it uses as much as digits as its factorization.

45572399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 45572399 is about 6750.7332194362. The cubic root of 45572399 is about 357.1911009647.

The spelling of 45572399 in words is "forty-five million, five hundred seventy-two thousand, three hundred ninety-nine".