45599399 has 2 divisors, whose sum is σ = 45599400. Its totient is φ = 45599398.

The previous prime is 45599381. The next prime is 45599401. The reversal of 45599399 is 99399554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45599399 - 2⁸ = 45599143 is a prime.

It is a super-2 number, since 2×45599399² = 4158610378322402, which contains 22 as substring.

Together with 45599401, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45599399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45590399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22799699 + 22799700.

It is an arithmetic number, because the mean of its divisors is an integer number (22799700).

Almost surely, 2^45599399 is an apocalyptic number.

45599399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45599399 is an equidigital number, since it uses as much as digits as its factorization.

45599399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1968300, while the sum is 53.

The square root of 45599399 is about 6752.7327060976. The cubic root of 45599399 is about 357.2616279793.

The spelling of 45599399 in words is "forty-five million, five hundred ninety-nine thousand, three hundred ninety-nine".