345522688 has 160 divisors (see below), whose sum is σ = 859123584. Its totient is φ = 135462912.

The previous prime is 345522679. The next prime is 345522691. The reversal of 345522688 is 886225543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3229131 + ... + 3229237.

Almost surely, 2^345522688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345522688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429561792).

345522688 is an abundant number, since it is smaller than the sum of its proper divisors (513600896).

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

345522688 is a wasteful number, since it uses less digits than its factorization.

345522688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 186 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 345522688 is about 18588.2405837669. The cubic root of 345522688 is about 701.7119241807.

The spelling of 345522688 in words is "three hundred forty-five million, five hundred twenty-two thousand, six hundred eighty-eight".