345346643542 has 32 divisors (see below), whose sum is σ = 521949536640. Its totient is φ = 171369792000.

The previous prime is 345346643533. The next prime is 345346643561. The reversal of 345346643542 is 245346643543.

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, 274301709 + ... + 274302967.

It is an arithmetic number, because the mean of its divisors is an integer number (16310923020).

Almost surely, 2^345346643542 is an apocalyptic number.

345346643542 is a deficient number, since it is larger than the sum of its proper divisors (176602893098).

345346643542 is a wasteful number, since it uses less digits than its factorization.

345346643542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036.

The product of its digits is 12441600, while the sum is 49.

Subtracting from 345346643542 its reverse (245346643543), we obtain a palindrome (99999999999).

The spelling of 345346643542 in words is "three hundred forty-five billion, three hundred forty-six million, six hundred forty-three thousand, five hundred forty-two".