158195 has 8 divisors (see below), whose sum is σ = 196560. Its totient is φ = 122080.

The previous prime is 158189. The next prime is 158201. The reversal of 158195 is 591851.

It is an interprime number because it is at equal distance from previous prime (158189) and next prime (158201).

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

It is not a de Polignac number, because 158195 - 2¹⁴ = 141811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2¹⁵⁸¹⁹⁵ is an apocalyptic number.

158195 is a deficient number, since it is larger than the sum of its proper divisors (38365).

158195 is a wasteful number, since it uses less digits than its factorization.

158195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its digits is 1800, while the sum is 29.

The square root of 158195 is about 397.7373505217. The cubic root of 158195 is about 54.0834329821.

It can be divided in two parts, 158 and 195, that added together give a palindrome (353).

The spelling of 158195 in words is "one hundred fifty-eight thousand, one hundred ninety-five".