158629 has 8 divisors (see below), whose sum is σ = 167832. Its totient is φ = 149760.

The previous prime is 158621. The next prime is 158633. The reversal of 158629 is 926851.

It can be written as a sum of positive squares in 4 ways, for example, as 10404 + 148225 = 102^2 + 385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158629 - 2³ = 158621 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 158629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (20979).

2¹⁵⁸⁶²⁹ is an apocalyptic number.

It is an amenable number.

158629 is a deficient number, since it is larger than the sum of its proper divisors (9203).

158629 is an equidigital number, since it uses as much as digits as its factorization.

158629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 4320, while the sum is 31.

The square root of 158629 is about 398.2825630127. The cubic root of 158629 is about 54.1328462118.

It can be divided in two parts, 158 and 629, that added together give a palindrome (787).

The spelling of 158629 in words is "one hundred fifty-eight thousand, six hundred twenty-nine".