158229 has 6 divisors (see below), whose sum is σ = 228566. Its totient is φ = 105480.

The previous prime is 158227. The next prime is 158231. The reversal of 158229 is 922851.

It is an interprime number because it is at equal distance from previous prime (158227) and next prime (158231).

It can be written as a sum of positive squares in only one way, i.e., 119025 + 39204 = 345^2 + 198^2 .

It is not a de Polignac number, because 158229 - 2¹ = 158227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8782 + ... + 8799.

2¹⁵⁸²²⁹ is an apocalyptic number.

It is an amenable number.

158229 is a deficient number, since it is larger than the sum of its proper divisors (70337).

158229 is a wasteful number, since it uses less digits than its factorization.

158229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17587 (or 17584 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 158229 is about 397.7800899995. The cubic root of 158229 is about 54.0873073249.

The spelling of 158229 in words is "one hundred fifty-eight thousand, two hundred twenty-nine".