345446457732 has 18 divisors (see below), whose sum is σ = 873211879358. Its totient is φ = 115148819232.

The previous prime is 345446457731. The next prime is 345446457749. The reversal of 345446457732 is 237754644543.

345446457732 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 4 + 64 + 577 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 341130756096 + 4315701636 = 584064^2 + 65694^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (345446457731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4797867433 + ... + 4797867504.

Almost surely, 2^345446457732 is an apocalyptic number.

It is an amenable number.

345446457732 is an abundant number, since it is smaller than the sum of its proper divisors (527765421626).

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

345446457732 is a wasteful number, since it uses less digits than its factorization.

345446457732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595734947 (or 9595734942 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 54.

The spelling of 345446457732 in words is "three hundred forty-five billion, four hundred forty-six million, four hundred fifty-seven thousand, seven hundred thirty-two".