158602 has 4 divisors (see below), whose sum is σ = 237906. Its totient is φ = 79300.

The previous prime is 158597. The next prime is 158611. The reversal of 158602 is 206851.

It is a happy number.

158602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206851 = 61 ⋅3391.

It can be written as a sum of positive squares in only one way, i.e., 114921 + 43681 = 339^2 + 209^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39649 + ... + 39652.

2¹⁵⁸⁶⁰² is an apocalyptic number.

158602 is a deficient number, since it is larger than the sum of its proper divisors (79304).

158602 is an equidigital number, since it uses as much as digits as its factorization.

158602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79303.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 158602 is about 398.2486660367. The cubic root of 158602 is about 54.1297747478.

The spelling of 158602 in words is "one hundred fifty-eight thousand, six hundred two".