345532 has 12 divisors (see below), whose sum is σ = 659736. Its totient is φ = 157040.

The previous prime is 345517. The next prime is 345533. The reversal of 345532 is 235543.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 3² + 4⁹ + 5⁵ + 5⁷ + 3⁴ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345533) by changing a digit.

345532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3883 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (54978).

2³⁴⁵⁵³² is an apocalyptic number.

It is an amenable number.

345532 is a deficient number, since it is larger than the sum of its proper divisors (314204).

345532 is a wasteful number, since it uses less digits than its factorization.

345532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868 (or 7866 counting only the distinct ones).

The product of its digits is 1800, while the sum is 22.

The square root of 345532 is about 587.8197002483. The cubic root of 345532 is about 70.1718227947.

The spelling of 345532 in words is "three hundred forty-five thousand, five hundred thirty-two".