345874012642 has 4 divisors (see below), whose sum is σ = 518811018966. Its totient is φ = 172937006320.

The previous prime is 345874012597. The next prime is 345874012681. The reversal of 345874012642 is 246210478543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 204873011641 + 141001001001 = 452629^2 + 375501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345874012592 and 345874012601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86468503159 + ... + 86468503162.

Almost surely, 2^345874012642 is an apocalyptic number.

345874012642 is a deficient number, since it is larger than the sum of its proper divisors (172937006324).

345874012642 is a wasteful number, since it uses less digits than its factorization.

345874012642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172937006323.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 345874012642 in words is "three hundred forty-five billion, eight hundred seventy-four million, twelve thousand, six hundred forty-two".