345189 has 16 divisors (see below), whose sum is σ = 508032. Its totient is φ = 207168.

The previous prime is 345181. The next prime is 345193. The reversal of 345189 is 981543.

It is not a de Polignac number, because 345189 - 2³ = 345181 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2³⁴⁵¹⁸⁹ is an apocalyptic number.

345189 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

345189 is a deficient number, since it is larger than the sum of its proper divisors (162843).

345189 is a wasteful number, since it uses less digits than its factorization.

345189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 4320, while the sum is 30.

The square root of 345189 is about 587.5278716793. The cubic root of 345189 is about 70.1485959022.

The spelling of 345189 in words is "three hundred forty-five thousand, one hundred eighty-nine".