45217199 has 2 divisors, whose sum is σ = 45217200. Its totient is φ = 45217198.

The previous prime is 45217181. The next prime is 45217231. The reversal of 45217199 is 99171254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45217199 - 2⁸ = 45216943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45217999) 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, 22608599 + 22608600.

It is an arithmetic number, because the mean of its divisors is an integer number (22608600).

Almost surely, 2^45217199 is an apocalyptic number.

45217199 is a deficient number, since it is larger than the sum of its proper divisors (1).

45217199 is an equidigital number, since it uses as much as digits as its factorization.

45217199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 45217199 is about 6724.3735024164. The cubic root of 45217199 is about 356.2606741851.

The spelling of 45217199 in words is "forty-five million, two hundred seventeen thousand, one hundred ninety-nine".