158329 has 2 divisors, whose sum is σ = 158330. Its totient is φ = 158328.

The previous prime is 158303. The next prime is 158341. The reversal of 158329 is 923851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 2304 = 395^2 + 48^2 .

It is an emirp because it is prime and its reverse (923851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158329 - 2⁷ = 158201 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 158297 and 158306.

It is not a weakly prime, because it can be changed into another prime (158359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79164 + 79165.

It is an arithmetic number, because the mean of its divisors is an integer number (79165).

2¹⁵⁸³²⁹ is an apocalyptic number.

It is an amenable number.

158329 is a deficient number, since it is larger than the sum of its proper divisors (1).

158329 is an equidigital number, since it uses as much as digits as its factorization.

158329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 158329 is about 397.9057677390. The cubic root of 158329 is about 54.0986992352.

The spelling of 158329 in words is "one hundred fifty-eight thousand, three hundred twenty-nine".