345515005312 has 32 divisors (see below), whose sum is σ = 712066222800. Its totient is φ = 166800345600.

The previous prime is 345515005267. The next prime is 345515005321. The reversal of 345515005312 is 213500515543.

It is a tau number, because it is divible by the number of its divisors (32).

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, 46536564 + ... + 46543987.

Almost surely, 2^345515005312 is an apocalyptic number.

345515005312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345515005312 is an abundant number, since it is smaller than the sum of its proper divisors (366551217488).

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

345515005312 is an equidigital number, since it uses as much as digits as its factorization.

345515005312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93080594 (or 93080582 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 345515005312 in words is "three hundred forty-five billion, five hundred fifteen million, five thousand, three hundred twelve".