45731220052 has 48 divisors (see below), whose sum is σ = 92997853312. Its totient is φ = 19270327680.

The previous prime is 45731220019. The next prime is 45731220083. The reversal of 45731220052 is 25002213754.

It is a junction number, because it is equal to n+sod(n) for n = 45731219996 and 45731220023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8217823 + ... + 8223385.

Almost surely, 2^45731220052 is an apocalyptic number.

It is an amenable number.

45731220052 is an abundant number, since it is smaller than the sum of its proper divisors (47266633260).

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

45731220052 is a wasteful number, since it uses less digits than its factorization.

45731220052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10448 (or 10446 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 45731220052 in words is "forty-five billion, seven hundred thirty-one million, two hundred twenty thousand, fifty-two".