45173899 has 2 divisors, whose sum is σ = 45173900. Its totient is φ = 45173898.

The previous prime is 45173867. The next prime is 45173903. The reversal of 45173899 is 99837154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45173899 - 2⁵ = 45173867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45173299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586949 + 22586950.

It is an arithmetic number, because the mean of its divisors is an integer number (22586950).

Almost surely, 2^45173899 is an apocalyptic number.

45173899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45173899 is an equidigital number, since it uses as much as digits as its factorization.

45173899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 45173899 is about 6721.1531004732. The cubic root of 45173899 is about 356.1469194328.

The spelling of 45173899 in words is "forty-five million, one hundred seventy-three thousand, eight hundred ninety-nine".