345564552 has 64 divisors (see below), whose sum is σ = 911635200. Its totient is φ = 108855360.

The previous prime is 345564487. The next prime is 345564599. The reversal of 345564552 is 255465543.

It is a self number, because there is not a number n which added to its sum of digits gives 345564552.

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, 267027 + ... + 268317.

It is an arithmetic number, because the mean of its divisors is an integer number (14244300).

Almost surely, 2^345564552 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 345564552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455817600).

345564552 is an abundant number, since it is smaller than the sum of its proper divisors (566070648).

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

345564552 is a wasteful number, since it uses less digits than its factorization.

345564552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1902 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The square root of 345564552 is about 18589.3666379465. The cubic root of 345564552 is about 701.7402631607.

Subtracting from 345564552 its reverse (255465543), we obtain a palindrome (90099009).

The spelling of 345564552 in words is "three hundred forty-five million, five hundred sixty-four thousand, five hundred fifty-two".