345545583523838 has 4 divisors (see below), whose sum is σ = 518318375285760. Its totient is φ = 172772791761918.

The previous prime is 345545583523759. The next prime is 345545583523841. The reversal of 345545583523838 is 838325385545543.

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, 86386395880958 + ... + 86386395880961.

It is an arithmetic number, because the mean of its divisors is an integer number (129579593821440).

Almost surely, 2^{345545583523838} is an apocalyptic number.

345545583523838 is a deficient number, since it is larger than the sum of its proper divisors (172772791761922).

345545583523838 is a wasteful number, since it uses less digits than its factorization.

345545583523838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172772791761921.

The product of its digits is 4147200000, while the sum is 71.

The spelling of 345545583523838 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 thirty-eight".