45145718732 has 12 divisors (see below), whose sum is σ = 79035518016. Its totient is φ = 22564142160.

The previous prime is 45145718693. The next prime is 45145718741. The reversal of 45145718732 is 23781754154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167643 + ... + 2188370.

It is an arithmetic number, because the mean of its divisors is an integer number (6586293168).

Almost surely, 2^45145718732 is an apocalyptic number.

It is an amenable number.

45145718732 is a deficient number, since it is larger than the sum of its proper divisors (33889799284).

45145718732 is a wasteful number, since it uses less digits than its factorization.

45145718732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358608 (or 4358606 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The spelling of 45145718732 in words is "forty-five billion, one hundred forty-five million, seven hundred eighteen thousand, seven hundred thirty-two".