345065 has 8 divisors (see below), whose sum is σ = 473280. Its totient is φ = 236592.

The previous prime is 345047. The next prime is 345067. The reversal of 345065 is 560543.

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

It is a cyclic number.

It is not a de Polignac number, because 345065 - 2⁶ = 345001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345065.

It is not an unprimeable number, because it can be changed into a prime (345067) 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, 4895 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (59160).

2³⁴⁵⁰⁶⁵ is an apocalyptic number.

345065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345065 is a deficient number, since it is larger than the sum of its proper divisors (128215).

345065 is an equidigital number, since it uses as much as digits as its factorization.

345065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 345065 is about 587.4223352921. The cubic root of 345065 is about 70.1401952216.

The spelling of 345065 in words is "three hundred forty-five thousand, sixty-five".