165229 has 2 divisors, whose sum is σ = 165230. Its totient is φ = 165228.

The previous prime is 165211. The next prime is 165233. The reversal of 165229 is 922561.

165229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 39204 = 355^2 + 198^2 .

It is an emirp because it is prime and its reverse (922561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165229 - 2¹¹ = 163181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82614 + 82615.

It is an arithmetic number, because the mean of its divisors is an integer number (82615).

2¹⁶⁵²²⁹ is an apocalyptic number.

It is an amenable number.

165229 is a deficient number, since it is larger than the sum of its proper divisors (1).

165229 is an equidigital number, since it uses as much as digits as its factorization.

165229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 165229 is about 406.4837020103. The cubic root of 165229 is about 54.8734279502.

It can be divided in two parts, 1652 and 29, that added together give a square (1681 = 41²).

The spelling of 165229 in words is "one hundred sixty-five thousand, two hundred twenty-nine".