345572 has 12 divisors (see below), whose sum is σ = 636720. Its totient is φ = 163656.

The previous prime is 345571. The next prime is 345577. The reversal of 345572 is 275543.

It is a d-powerful number, because it can be written as 3⁴ + 4⁹ + 5⁵ + 5⁷ + 7² + 2¹¹ .

It is not an unprimeable number, because it can be changed into a prime (345571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (53060).

2³⁴⁵⁵⁷² is an apocalyptic number.

It is an amenable number.

345572 is a deficient number, since it is larger than the sum of its proper divisors (291148).

345572 is a wasteful number, since it uses less digits than its factorization.

345572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570 (or 4568 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 345572 is about 587.8537233020. The cubic root of 345572 is about 70.1745304692.

The spelling of 345572 in words is "three hundred forty-five thousand, five hundred seventy-two".