345075 has 24 divisors (see below), whose sum is σ = 589248. Its totient is φ = 178080.

The previous prime is 345067. The next prime is 345089. The reversal of 345075 is 570543.

It is not a de Polignac number, because 345075 - 2³ = 345067 is a prime.

345075 is a lucky number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3172 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2³⁴⁵⁰⁷⁵ is an apocalyptic number.

345075 is a deficient number, since it is larger than the sum of its proper divisors (244173).

345075 is a wasteful number, since it uses less digits than its factorization.

345075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 345075 is about 587.4308469939. The cubic root of 345075 is about 70.1408727704.

The spelling of 345075 in words is "three hundred forty-five thousand, seventy-five".