45731373552 has 80 divisors (see below), whose sum is σ = 131854894080. Its totient is φ = 15175401408.

The previous prime is 45731373521. The next prime is 45731373557. The reversal of 45731373552 is 25537313754.

45731373552 is a `hidden beast` number, since 4 + 573 + 1 + 3 + 73 + 5 + 5 + 2 = 666.

45731373552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45731373498 and 45731373507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731373557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141018 + ... + 333689.

It is an arithmetic number, because the mean of its divisors is an integer number (1648186176).

Almost surely, 2^45731373552 is an apocalyptic number.

It is an amenable number.

45731373552 is an abundant number, since it is smaller than the sum of its proper divisors (86123520528).

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

45731373552 is a wasteful number, since it uses less digits than its factorization.

45731373552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474947 (or 474935 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 45.

The spelling of 45731373552 in words is "forty-five billion, seven hundred thirty-one million, three hundred seventy-three thousand, five hundred fifty-two".