159943 has 8 divisors (see below), whose sum is σ = 185888. Its totient is φ = 134784.

The previous prime is 159937. The next prime is 159977. The reversal of 159943 is 349951.

159943 is nontrivially palindromic in base 12.

159943 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 159943 - 2⁵ = 159911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 667.

It is an arithmetic number, because the mean of its divisors is an integer number (23236).

2¹⁵⁹⁹⁴³ is an apocalyptic number.

159943 is a deficient number, since it is larger than the sum of its proper divisors (25945).

159943 is an equidigital number, since it uses as much as digits as its factorization.

159943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 4860, while the sum is 31.

The square root of 159943 is about 399.9287436532. The cubic root of 159943 is about 54.2819048244.

The spelling of 159943 in words is "one hundred fifty-nine thousand, nine hundred forty-three".