345059 has 16 divisors (see below), whose sum is σ = 430080. Its totient is φ = 272160.

The previous prime is 345047. The next prime is 345067. The reversal of 345059 is 950543.

345059 = T₁₆₆ + T₁₆₇ + ... + T₁₈₇.

It is a cyclic number.

It is not a de Polignac number, because 345059 - 2¹⁶ = 279523 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345019) 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, 2654 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (26880).

2³⁴⁵⁰⁵⁹ is an apocalyptic number.

345059 is a deficient number, since it is larger than the sum of its proper divisors (85021).

345059 is a wasteful number, since it uses less digits than its factorization.

345059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 345059 is about 587.4172282118. The cubic root of 345059 is about 70.1397886860.

The spelling of 345059 in words is "three hundred forty-five thousand, fifty-nine".