345288 has 16 divisors (see below), whose sum is σ = 863280. Its totient is φ = 115088.

The previous prime is 345271. The next prime is 345307. The reversal of 345288 is 882543.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345288.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170 + ... + 7217.

It is an arithmetic number, because the mean of its divisors is an integer number (53955).

2³⁴⁵²⁸⁸ is an apocalyptic number.

It is an amenable number.

345288 is an abundant number, since it is smaller than the sum of its proper divisors (517992).

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

345288 is a wasteful number, since it uses less digits than its factorization.

345288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396 (or 14392 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 345288 is about 587.6121169615. The cubic root of 345288 is about 70.1553014531.

The spelling of 345288 in words is "three hundred forty-five thousand, two hundred eighty-eight".