45220523399 has 24 divisors (see below), whose sum is σ = 47880146832. Its totient is φ = 42701218560.

The previous prime is 45220523357. The next prime is 45220523401. The reversal of 45220523399 is 99332502254.

It is a de Polignac number, because none of the positive numbers 2^k-45220523399 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45220583399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16556864 + ... + 16559594.

It is an arithmetic number, because the mean of its divisors is an integer number (1995006118).

Almost surely, 2^45220523399 is an apocalyptic number.

45220523399 is a deficient number, since it is larger than the sum of its proper divisors (2659623433).

45220523399 is a wasteful number, since it uses less digits than its factorization.

45220523399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 45220523399 in words is "forty-five billion, two hundred twenty million, five hundred twenty-three thousand, three hundred ninety-nine".