158026 has 12 divisors (see below), whose sum is σ = 260946. Its totient is φ = 71720.

The previous prime is 158017. The next prime is 158029. The reversal of 158026 is 620851.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 9801 = 385^2 + 99^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 157988 and 158006.

It is not an unprimeable number, because it can be changed into a prime (158029) 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, 85 + ... + 568.

2¹⁵⁸⁰²⁶ is an apocalyptic number.

158026 is a deficient number, since it is larger than the sum of its proper divisors (102920).

158026 is a wasteful number, since it uses less digits than its factorization.

158026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 666 counting only the distinct ones).

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

The square root of 158026 is about 397.5248419910. The cubic root of 158026 is about 54.0641669772.

Adding to 158026 its reverse (620851), we get a palindrome (778877).

The spelling of 158026 in words is "one hundred fifty-eight thousand, twenty-six".