345229 has 2 divisors, whose sum is σ = 345230. Its totient is φ = 345228.

The previous prime is 345227. The next prime is 345259. The reversal of 345229 is 922543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 16900 = 573^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 345229 - 2¹ = 345227 is a prime.

Together with 345227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172614 + 172615.

It is an arithmetic number, because the mean of its divisors is an integer number (172615).

2³⁴⁵²²⁹ is an apocalyptic number.

It is an amenable number.

345229 is a deficient number, since it is larger than the sum of its proper divisors (1).

345229 is an equidigital number, since it uses as much as digits as its factorization.

345229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 345229 is about 587.5619116314. The cubic root of 345229 is about 70.1513053701.

It can be divided in two parts, 3452 and 29, that added together give a square (3481 = 59²).

The spelling of 345229 in words is "three hundred forty-five thousand, two hundred twenty-nine".