45444203199 has 16 divisors (see below), whose sum is σ = 67329907200. Its totient is φ = 30293812728.

The previous prime is 45444203179. The next prime is 45444203213. The reversal of 45444203199 is 99130244454.

45444203199 is a `hidden beast` number, since 454 + 4 + 4 + 2 + 0 + 3 + 199 = 666.

It is not a de Polignac number, because 45444203199 - 2¹² = 45444199103 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444203179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340362 + ... + 454680.

It is an arithmetic number, because the mean of its divisors is an integer number (4208119200).

Almost surely, 2^45444203199 is an apocalyptic number.

45444203199 is a deficient number, since it is larger than the sum of its proper divisors (21885704001).

45444203199 is a wasteful number, since it uses less digits than its factorization.

45444203199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129051 (or 129045 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 45444203199 in words is "forty-five billion, four hundred forty-four million, two hundred three thousand, one hundred ninety-nine".