45178438023 has 12 divisors (see below), whose sum is σ = 65648510928. Its totient is φ = 29938604640.

The previous prime is 45178437971. The next prime is 45178438031. The reversal of 45178438023 is 32083487154.

45178438023 is a `hidden beast` number, since 4 + 517 + 84 + 38 + 0 + 23 = 666.

It is not a de Polignac number, because 45178438023 - 2⁸ = 45178437767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45178438023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178438223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15027918 + ... + 15030923.

It is an arithmetic number, because the mean of its divisors is an integer number (5470709244).

Almost surely, 2^45178438023 is an apocalyptic number.

45178438023 is a deficient number, since it is larger than the sum of its proper divisors (20470072905).

45178438023 is a wasteful number, since it uses less digits than its factorization.

45178438023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30059014 (or 30059011 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 45178438023 in words is "forty-five billion, one hundred seventy-eight million, four hundred thirty-eight thousand, twenty-three".