345117516 has 24 divisors (see below), whose sum is σ = 833043120. Its totient is φ = 111072192.

The previous prime is 345117511. The next prime is 345117523. The reversal of 345117516 is 615711543.

It is not an unprimeable number, because it can be changed into a prime (345117511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495511 + ... + 496206.

It is an arithmetic number, because the mean of its divisors is an integer number (34710130).

Almost surely, 2^345117516 is an apocalyptic number.

It is an amenable number.

345117516 is an abundant number, since it is smaller than the sum of its proper divisors (487925604).

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

345117516 is a wasteful number, since it uses less digits than its factorization.

345117516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991753 (or 991751 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 345117516 is about 18577.3387760465. The cubic root of 345117516 is about 701.4375329099.

The spelling of 345117516 in words is "three hundred forty-five million, one hundred seventeen thousand, five hundred sixteen".