45642158634 has 16 divisors (see below), whose sum is σ = 91465803072. Its totient is φ = 15183805248.

The previous prime is 45642158629. The next prime is 45642158677. The reversal of 45642158634 is 43685124654.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7558639 + ... + 7564674.

It is an arithmetic number, because the mean of its divisors is an integer number (5716612692).

Almost surely, 2^45642158634 is an apocalyptic number.

45642158634 is an abundant number, since it is smaller than the sum of its proper divisors (45823644438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45642158634 is a wasteful number, since it uses less digits than its factorization.

45642158634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123821.

The product of its digits is 2764800, while the sum is 48.

The spelling of 45642158634 in words is "forty-five billion, six hundred forty-two million, one hundred fifty-eight thousand, six hundred thirty-four".