158028 has 24 divisors (see below), whose sum is σ = 397488. Its totient is φ = 48576.

The previous prime is 158017. The next prime is 158029. The reversal of 158028 is 820851.

158028 = T₉₇ + T₉₈ + ... + T₁₂₂.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 157989 and 158007.

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 7 ways as a sum of consecutive naturals, for example, 351 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (16562).

2¹⁵⁸⁰²⁸ is an apocalyptic number.

It is an amenable number.

158028 is an abundant number, since it is smaller than the sum of its proper divisors (239460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158028 is a wasteful number, since it uses less digits than its factorization.

158028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 158028 is about 397.5273575491. The cubic root of 158028 is about 54.0643950576.

Adding to 158028 its reverse (820851), we get a palindrome (978879).

The spelling of 158028 in words is "one hundred fifty-eight thousand, twenty-eight".