158128 has 10 divisors (see below), whose sum is σ = 306404. Its totient is φ = 79056.

The previous prime is 158113. The next prime is 158129. The reversal of 158128 is 821851.

It is not an unprimeable number, because it can be changed into a prime (158129) by changing a digit.

158128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926 + ... + 4957.

2¹⁵⁸¹²⁸ is an apocalyptic number.

It is an amenable number.

158128 is a deficient number, since it is larger than the sum of its proper divisors (148276).

158128 is an equidigital number, since it uses as much as digits as its factorization.

158128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9891 (or 9885 counting only the distinct ones).

The product of its digits is 640, while the sum is 25.

The square root of 158128 is about 397.6531151645. The cubic root of 158128 is about 54.0757966225.

Adding to 158128 its reverse (821851), we get a palindrome (979979).

The spelling of 158128 in words is "one hundred fifty-eight thousand, one hundred twenty-eight".