45709399 has 2 divisors, whose sum is σ = 45709400. Its totient is φ = 45709398.

The previous prime is 45709397. The next prime is 45709429. The reversal of 45709399 is 99390754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45709399 - 2¹ = 45709397 is a prime.

Together with 45709397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45709397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22854699 + 22854700.

It is an arithmetic number, because the mean of its divisors is an integer number (22854700).

Almost surely, 2^45709399 is an apocalyptic number.

45709399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45709399 is an equidigital number, since it uses as much as digits as its factorization.

45709399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 45709399 is about 6760.8726507752. The cubic root of 45709399 is about 357.5486728520.

The spelling of 45709399 in words is "forty-five million, seven hundred nine thousand, three hundred ninety-nine".