345422615516243 has 16 divisors (see below), whose sum is σ = 357581154607104. Its totient is φ = 333327794323680.

The previous prime is 345422615516177. The next prime is 345422615516309. The reversal of 345422615516243 is 342615516224543.

It is an interprime number because it is at equal distance from previous prime (345422615516177) and next prime (345422615516309).

It is a cyclic number.

It is not a de Polignac number, because 345422615516243 - 2¹² = 345422615512147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345422615516543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90128621 + ... + 93882977.

It is an arithmetic number, because the mean of its divisors is an integer number (22348822162944).

Almost surely, 2^{345422615516243} is an apocalyptic number.

345422615516243 is a deficient number, since it is larger than the sum of its proper divisors (12158539090861).

345422615516243 is a wasteful number, since it uses less digits than its factorization.

345422615516243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762842.

The product of its digits is 20736000, while the sum is 53.

The spelling of 345422615516243 in words is "three hundred forty-five trillion, four hundred twenty-two billion, six hundred fifteen million, five hundred sixteen thousand, two hundred forty-three".