345445823942 has 4 divisors (see below), whose sum is σ = 518168735916. Its totient is φ = 172722911970.

The previous prime is 345445823939. The next prime is 345445823951. The reversal of 345445823942 is 249328544543.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86361455984 + ... + 86361455987.

It is an arithmetic number, because the mean of its divisors is an integer number (129542183979).

Almost surely, 2^345445823942 is an apocalyptic number.

345445823942 is a deficient number, since it is larger than the sum of its proper divisors (172722911974).

345445823942 is a wasteful number, since it uses less digits than its factorization.

345445823942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172722911973.

The product of its digits is 16588800, while the sum is 53.

The spelling of 345445823942 in words is "three hundred forty-five billion, four hundred forty-five million, eight hundred twenty-three thousand, nine hundred forty-two".