345320707252 has 12 divisors (see below), whose sum is σ = 604795082500. Its totient is φ = 172522112256.

The previous prime is 345320707241. The next prime is 345320707297. The reversal of 345320707252 is 252707023543.

It can be written as a sum of positive squares in 2 ways, for example, as 215255169936 + 130065537316 = 463956^2 + 360646^2 .

It is a congruent number.

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, 34554723 + ... + 34564714.

Almost surely, 2^345320707252 is an apocalyptic number.

It is an amenable number.

345320707252 is a deficient number, since it is larger than the sum of its proper divisors (259474375248).

345320707252 is a wasteful number, since it uses less digits than its factorization.

345320707252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69120690 (or 69120688 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 345320707252 in words is "three hundred forty-five billion, three hundred twenty million, seven hundred seven thousand, two hundred fifty-two".