345442522812 has 12 divisors (see below), whose sum is σ = 806032553256. Its totient is φ = 115147507600.

The previous prime is 345442522801. The next prime is 345442522823. The reversal of 345442522812 is 218225244543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345442522801) and next prime (345442522823).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14393438439 + ... + 14393438462.

It is an arithmetic number, because the mean of its divisors is an integer number (67169379438).

Almost surely, 2^345442522812 is an apocalyptic number.

It is an amenable number.

345442522812 is an abundant number, since it is smaller than the sum of its proper divisors (460590030444).

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

345442522812 is a wasteful number, since it uses less digits than its factorization.

345442522812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28786876908 (or 28786876906 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

The spelling of 345442522812 in words is "three hundred forty-five billion, four hundred forty-two million, five hundred twenty-two thousand, eight hundred twelve".