158105 has 8 divisors (see below), whose sum is σ = 192192. Its totient is φ = 124848.

The previous prime is 158077. The next prime is 158113. The reversal of 158105 is 501851.

158105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158105 - 2¹⁰ = 157081 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362 + ... + 668.

It is an arithmetic number, because the mean of its divisors is an integer number (24024).

2¹⁵⁸¹⁰⁵ is an apocalyptic number.

It is an amenable number.

158105 is a deficient number, since it is larger than the sum of its proper divisors (34087).

158105 is a wasteful number, since it uses less digits than its factorization.

158105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 158105 is about 397.6241944349. The cubic root of 158105 is about 54.0731746883.

Adding to 158105 its reverse (501851), we get a palindrome (659956).

The spelling of 158105 in words is "one hundred fifty-eight thousand, one hundred five".