345171 has 4 divisors (see below), whose sum is σ = 460232. Its totient is φ = 230112.

The previous prime is 345143. The next prime is 345181. The reversal of 345171 is 171543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 345171 - 2⁵ = 345139 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345171.

It is not an unprimeable number, because it can be changed into a prime (345181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57526 + ... + 57531.

It is an arithmetic number, because the mean of its divisors is an integer number (115058).

2³⁴⁵¹⁷¹ is an apocalyptic number.

345171 is a deficient number, since it is larger than the sum of its proper divisors (115061).

345171 is a wasteful number, since it uses less digits than its factorization.

345171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115060.

The product of its digits is 420, while the sum is 21.

The square root of 345171 is about 587.5125530574. The cubic root of 345171 is about 70.1473765734.

The spelling of 345171 in words is "three hundred forty-five thousand, one hundred seventy-one".