45274186057 has 4 divisors (see below), whose sum is σ = 45274617360. Its totient is φ = 45273754756.

The previous prime is 45274186049. The next prime is 45274186073. The reversal of 45274186057 is 75068147254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45274186057 - 2³ = 45274186049 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 45274186057.

It is not an unprimeable number, because it can be changed into a prime (45274186357) 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, 55194 + ... + 305932.

It is an arithmetic number, because the mean of its divisors is an integer number (11318654340).

Almost surely, 2^45274186057 is an apocalyptic number.

It is an amenable number.

45274186057 is a deficient number, since it is larger than the sum of its proper divisors (431303).

45274186057 is a wasteful number, since it uses less digits than its factorization.

45274186057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431302.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 45274186057 in words is "forty-five billion, two hundred seventy-four million, one hundred eighty-six thousand, fifty-seven".