345315 has 8 divisors (see below), whose sum is σ = 552528. Its totient is φ = 184160.

The previous prime is 345311. The next prime is 345329. The reversal of 345315 is 513543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345315 - 2² = 345311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345291 and 345300.

It is not an unprimeable number, because it can be changed into a prime (345311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11496 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (69066).

2³⁴⁵³¹⁵ is an apocalyptic number.

345315 is a deficient number, since it is larger than the sum of its proper divisors (207213).

345315 is a wasteful number, since it uses less digits than its factorization.

345315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23029.

The product of its digits is 900, while the sum is 21.

The square root of 345315 is about 587.6350908515. The cubic root of 345315 is about 70.1571300173.

Adding to 345315 its reverse (513543), we get a palindrome (858858).

The spelling of 345315 in words is "three hundred forty-five thousand, three hundred fifteen".