158104 has 8 divisors (see below), whose sum is σ = 296460. Its totient is φ = 79048.
The previous prime is 158077. The next prime is 158113. The reversal of 158104 is 401851.
It is a tau number, because it is divible by the number of its divisors (8).
It is a nialpdrome in base 11.
It is a congruent number.
It is an unprimeable number.
158104 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, 9874 + ... + 9889.
2158104 is an apocalyptic number.
It is an amenable number.
158104 is a deficient number, since it is larger than the sum of its proper divisors (138356).
158104 is a wasteful number, since it uses less digits than its factorization.
158104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19769 (or 19765 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 158104 is about 397.6229369642. The cubic root of 158104 is about 54.0730606854.
Adding to 158104 its reverse (401851), we get a palindrome (559955).
It can be divided in two parts, 158 and 104, that added together give a palindrome (262).
The spelling of 158104 in words is "one hundred fifty-eight thousand, one hundred four".
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