45020807999 has 4 divisors (see below), whose sum is σ = 46473092160. Its totient is φ = 43568523840.

The previous prime is 45020807989. The next prime is 45020808031. The reversal of 45020807999 is 99970802054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45020807999 - 2²⁸ = 44752372543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45020807999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020807939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726142034 + ... + 726142095.

It is an arithmetic number, because the mean of its divisors is an integer number (11618273040).

Almost surely, 2^45020807999 is an apocalyptic number.

45020807999 is a deficient number, since it is larger than the sum of its proper divisors (1452284161).

45020807999 is a wasteful number, since it uses less digits than its factorization.

45020807999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452284160.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 45020807999 in words is "forty-five billion, twenty million, eight hundred seven thousand, nine hundred ninety-nine".