345308 has 12 divisors (see below), whose sum is σ = 609000. Its totient is φ = 171312.

The previous prime is 345307. The next prime is 345311. The reversal of 345308 is 803543.

It is a super-2 number, since 2×345308² = 238475229728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345307) 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, 443 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (50750).

2³⁴⁵³⁰⁸ is an apocalyptic number.

It is an amenable number.

345308 is a deficient number, since it is larger than the sum of its proper divisors (263692).

345308 is a wasteful number, since it uses less digits than its factorization.

345308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345308 is about 587.6291347440. The cubic root of 345308 is about 70.1566559542.

The spelling of 345308 in words is "three hundred forty-five thousand, three hundred eight".