345451531622512 has 80 divisors (see below), whose sum is σ = 810103425776640. Its totient is φ = 139310956145664.

The previous prime is 345451531622471. The next prime is 345451531622531. The reversal of 345451531622512 is 215226135154543.

It is a congruent number.

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, 11470468 + ... + 28678819.

It is an arithmetic number, because the mean of its divisors is an integer number (10126292822208).

Almost surely, 2^{345451531622512} is an apocalyptic number.

It is an amenable number.

345451531622512 is an abundant number, since it is smaller than the sum of its proper divisors (464651894154128).

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

345451531622512 is a wasteful number, since it uses less digits than its factorization.

345451531622512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40153838 (or 40153832 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

The spelling of 345451531622512 in words is "three hundred forty-five trillion, four hundred fifty-one billion, five hundred thirty-one million, six hundred twenty-two thousand, five hundred twelve".