345213730852 has 12 divisors (see below), whose sum is σ = 604635573276. Its totient is φ = 172460709920.

The previous prime is 345213730843. The next prime is 345213730903. The reversal of 345213730852 is 258037312543.

It can be written as a sum of positive squares in 2 ways, for example, as 160525230336 + 184688500516 = 400656^2 + 429754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345213730799 and 345213730808.

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, 36533563 + ... + 36543010.

It is an arithmetic number, because the mean of its divisors is an integer number (50386297773).

Almost surely, 2^345213730852 is an apocalyptic number.

It is an amenable number.

345213730852 is a deficient number, since it is larger than the sum of its proper divisors (259421842424).

345213730852 is a wasteful number, since it uses less digits than its factorization.

345213730852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73077758 (or 73077756 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 345213730852 in words is "three hundred forty-five billion, two hundred thirteen million, seven hundred thirty thousand, eight hundred fifty-two".