345545583523842 has 48 divisors (see below), whose sum is σ = 774146196167040. Its totient is φ = 102655451860416.

The previous prime is 345545583523841. The next prime is 345545583523849. The reversal of 345545583523842 is 248325385545543.

It is not an unprimeable number, because it can be changed into a prime (345545583523841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5875397098 + ... + 5875455909.

It is an arithmetic number, because the mean of its divisors is an integer number (16128045753480).

Almost surely, 2^{345545583523842} is an apocalyptic number.

345545583523842 is an abundant number, since it is smaller than the sum of its proper divisors (428600612643198).

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

345545583523842 is a wasteful number, since it uses less digits than its factorization.

345545583523842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750853067 (or 11750853054 counting only the distinct ones).

The product of its digits is 1382400000, while the sum is 66.

The spelling of 345545583523842 in words is "three hundred forty-five trillion, five hundred forty-five billion, five hundred eighty-three million, five hundred twenty-three thousand, eight hundred forty-two".