158628 has 12 divisors (see below), whose sum is σ = 370160. Its totient is φ = 52872.
The previous prime is 158621. The next prime is 158633. The reversal of 158628 is 826851.
158628 is nontrivially palindromic in base 7.
158628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a nialpdrome in base 6.
It is a junction number, because it is equal to n+sod(n) for n = 158595 and 158604.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158628.
It is not an unprimeable number, because it can be changed into a prime (158621) by changing a digit.
158628 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 in 3 ways as a sum of consecutive naturals, for example, 6598 + ... + 6621.
2158628 is an apocalyptic number.
It is an amenable number.
158628 is an abundant number, since it is smaller than the sum of its proper divisors (211532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158628 is a wasteful number, since it uses less digits than its factorization.
158628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13226 (or 13224 counting only the distinct ones).
The product of its digits is 3840, while the sum is 30.
The square root of 158628 is about 398.2813076206. The cubic root of 158628 is about 54.1327324601.
The spelling of 158628 in words is "one hundred fifty-eight thousand, six hundred twenty-eight".
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