45173299 has 2 divisors, whose sum is σ = 45173300. Its totient is φ = 45173298.

The previous prime is 45173287. The next prime is 45173321. The reversal of 45173299 is 99237154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45173299 - 2⁷ = 45173171 is a prime.

It is not a weakly prime, because it can be changed into another prime (45173239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586649 + 22586650.

It is an arithmetic number, because the mean of its divisors is an integer number (22586650).

Almost surely, 2^45173299 is an apocalyptic number.

45173299 is a deficient number, since it is larger than the sum of its proper divisors (1).

45173299 is an equidigital number, since it uses as much as digits as its factorization.

45173299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 45173299 is about 6721.1084651269. The cubic root of 45173299 is about 356.1453426440.

The spelling of 45173299 in words is "forty-five million, one hundred seventy-three thousand, two hundred ninety-nine".