345175 has 6 divisors (see below), whose sum is σ = 428048. Its totient is φ = 276120.

The previous prime is 345143. The next prime is 345181. The reversal of 345175 is 571543.

It is not a de Polignac number, because 345175 - 2⁵ = 345143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 13807 = 345175 / (3 + 4 + 5 + 1 + 7 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6879 + ... + 6928.

2³⁴⁵¹⁷⁵ is an apocalyptic number.

345175 is a deficient number, since it is larger than the sum of its proper divisors (82873).

345175 is a wasteful number, since it uses less digits than its factorization.

345175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817 (or 13812 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 345175 is about 587.5159572301. The cubic root of 345175 is about 70.1476475391.

The spelling of 345175 in words is "three hundred forty-five thousand, one hundred seventy-five".