345303522 has 48 divisors (see below), whose sum is σ = 779688000. Its totient is φ = 110309472.

The previous prime is 345303481. The next prime is 345303559. The reversal of 345303522 is 225303543.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70179 + ... + 74937.

It is an arithmetic number, because the mean of its divisors is an integer number (16243500).

Almost surely, 2^345303522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345303522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389844000).

345303522 is an abundant number, since it is smaller than the sum of its proper divisors (434384478).

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

345303522 is a wasteful number, since it uses less digits than its factorization.

345303522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 345303522 is about 18582.3443623241. The cubic root of 345303522 is about 701.5635268596.

The spelling of 345303522 in words is "three hundred forty-five million, three hundred three thousand, five hundred twenty-two".