45199199 has 2 divisors, whose sum is σ = 45199200. Its totient is φ = 45199198.

The previous prime is 45199171. The next prime is 45199211. The reversal of 45199199 is 99199154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45199199 - 2²⁴ = 28421983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45199129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22599599 + 22599600.

It is an arithmetic number, because the mean of its divisors is an integer number (22599600).

Almost surely, 2^45199199 is an apocalyptic number.

45199199 is a deficient number, since it is larger than the sum of its proper divisors (1).

45199199 is an equidigital number, since it uses as much as digits as its factorization.

45199199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 47.

The square root of 45199199 is about 6723.0349545425. The cubic root of 45199199 is about 356.2133946589.

The spelling of 45199199 in words is "forty-five million, one hundred ninety-nine thousand, one hundred ninety-nine".