158228 has 12 divisors (see below), whose sum is σ = 316512. Its totient is φ = 67800.

The previous prime is 158227. The next prime is 158231. The reversal of 158228 is 822851.

158228 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 158197 and 158206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (26376).

2¹⁵⁸²²⁸ is an apocalyptic number.

It is an amenable number.

158228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158228 is a wasteful number, since it uses less digits than its factorization.

158228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662 (or 5660 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 158228 is about 397.7788330216. The cubic root of 158228 is about 54.0871933816.

The spelling of 158228 in words is "one hundred fifty-eight thousand, two hundred twenty-eight".