159995 has 8 divisors (see below), whose sum is σ = 209520. Its totient is φ = 116320.

The previous prime is 159979. The next prime is 160001. The reversal of 159995 is 599951.

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

It is not a de Polignac number, because 159995 - 2⁴ = 159979 is a prime.

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, 1400 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (26190).

2¹⁵⁹⁹⁹⁵ is an apocalyptic number.

159995 is a deficient number, since it is larger than the sum of its proper divisors (49525).

159995 is a wasteful number, since it uses less digits than its factorization.

159995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 18225, while the sum is 38.

The square root of 159995 is about 399.9937499512. The cubic root of 159995 is about 54.2877868223.

The spelling of 159995 in words is "one hundred fifty-nine thousand, nine hundred ninety-five".