345213557448 has 64 divisors (see below), whose sum is σ = 891219141120. Its totient is φ = 111316032000.

The previous prime is 345213557411. The next prime is 345213557453. The reversal of 345213557448 is 844755312543.

It is a self number, because there is not a number n which added to its sum of digits gives 345213557448.

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, 1858398 + ... + 2035698.

It is an arithmetic number, because the mean of its divisors is an integer number (13925299080).

Almost surely, 2^345213557448 is an apocalyptic number.

It is an amenable number.

345213557448 is an abundant number, since it is smaller than the sum of its proper divisors (546005583672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345213557448 is a wasteful number, since it uses less digits than its factorization.

345213557448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179958 (or 179954 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 51.

The spelling of 345213557448 in words is "three hundred forty-five billion, two hundred thirteen million, five hundred fifty-seven thousand, four hundred forty-eight".