345143402494 has 12 divisors (see below), whose sum is σ = 569058750792. Its totient is φ = 156883364660.

The previous prime is 345143402459. The next prime is 345143402519. The reversal of 345143402494 is 494204341543.

It is a self number, because there is not a number n which added to its sum of digits gives 345143402494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713105962 + ... + 713106445.

It is an arithmetic number, because the mean of its divisors is an integer number (47421562566).

Almost surely, 2^345143402494 is an apocalyptic number.

345143402494 is a deficient number, since it is larger than the sum of its proper divisors (223915348298).

345143402494 is a wasteful number, since it uses less digits than its factorization.

345143402494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426212431 (or 1426212420 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 345143402494 in words is "three hundred forty-five billion, one hundred forty-three million, four hundred two thousand, four hundred ninety-four".