159105 has 8 divisors (see below), whose sum is σ = 254592. Its totient is φ = 84848.

The previous prime is 159097. The next prime is 159113. The reversal of 159105 is 501951.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (159097) and next prime (159113).

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 159105 - 2³ = 159097 is a prime.

It is a Curzon number.

159105 is a lucky number.

It is a nialpdrome in base 15.

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, 5289 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (31824).

2¹⁵⁹¹⁰⁵ is an apocalyptic number.

159105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159105 is a deficient number, since it is larger than the sum of its proper divisors (95487).

159105 is a wasteful number, since it uses less digits than its factorization.

159105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 159105 is about 398.8796811070. The cubic root of 159105 is about 54.1869378435.

Adding to 159105 its product of nonzero digits (225), we get a triangular number (159330 = T₅₆₄).

The spelling of 159105 in words is "one hundred fifty-nine thousand, one hundred five".