345582 has 24 divisors (see below), whose sum is σ = 761904. Its totient is φ = 113184.

The previous prime is 345581. The next prime is 345599. The reversal of 345582 is 285543.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (31746).

2³⁴⁵⁵⁸² is an apocalyptic number.

345582 is an abundant number, since it is smaller than the sum of its proper divisors (416322).

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

345582 is a wasteful number, since it uses less digits than its factorization.

345582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 341 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 345582 is about 587.8622287577. The cubic root of 345582 is about 70.1752073552.

The spelling of 345582 in words is "three hundred forty-five thousand, five hundred eighty-two".