45642899 has 2 divisors, whose sum is σ = 45642900. Its totient is φ = 45642898.

The previous prime is 45642893. The next prime is 45642917. The reversal of 45642899 is 99824654.

45642899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45642899 - 2⁸ = 45642643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45642893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22821449 + 22821450.

It is an arithmetic number, because the mean of its divisors is an integer number (22821450).

Almost surely, 2^45642899 is an apocalyptic number.

45642899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45642899 is an equidigital number, since it uses as much as digits as its factorization.

45642899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 45642899 is about 6755.9528565555. The cubic root of 45642899 is about 357.3751963010.

The spelling of 45642899 in words is "forty-five million, six hundred forty-two thousand, eight hundred ninety-nine".