45187793455 has 16 divisors (see below), whose sum is σ = 63646747200. Its totient is φ = 30148457472.

The previous prime is 45187793389. The next prime is 45187793459. The reversal of 45187793455 is 55439778154.

It is not a de Polignac number, because 45187793455 - 2¹⁵ = 45187760687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45187793455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45187793459) 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, 17445730 + ... + 17448319.

It is an arithmetic number, because the mean of its divisors is an integer number (3977921700).

Almost surely, 2^45187793455 is an apocalyptic number.

45187793455 is a deficient number, since it is larger than the sum of its proper divisors (18458953745).

45187793455 is a wasteful number, since it uses less digits than its factorization.

45187793455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34894098.

The product of its digits is 21168000, while the sum is 58.

The spelling of 45187793455 in words is "forty-five billion, one hundred eighty-seven million, seven hundred ninety-three thousand, four hundred fifty-five".