45210042732 has 12 divisors (see below), whose sum is σ = 105490099736. Its totient is φ = 15070014240.

The previous prime is 45210042707. The next prime is 45210042751. The reversal of 45210042732 is 23724001254.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45210042732.

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, 1883751769 + ... + 1883751792.

Almost surely, 2^45210042732 is an apocalyptic number.

It is an amenable number.

45210042732 is an abundant number, since it is smaller than the sum of its proper divisors (60280057004).

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

45210042732 is a wasteful number, since it uses less digits than its factorization.

45210042732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767503568 (or 3767503566 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 45210042732 its reverse (23724001254), we get a palindrome (68934043986).

The spelling of 45210042732 in words is "forty-five billion, two hundred ten million, forty-two thousand, seven hundred thirty-two".