158943 has 4 divisors (see below), whose sum is σ = 211928. Its totient is φ = 105960.

The previous prime is 158941. The next prime is 158959. The reversal of 158943 is 349851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158943 - 2¹ = 158941 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 158943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26488 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (52982).

2¹⁵⁸⁹⁴³ is an apocalyptic number.

158943 is a deficient number, since it is larger than the sum of its proper divisors (52985).

158943 is an equidigital number, since it uses as much as digits as its factorization.

158943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52984.

The product of its digits is 4320, while the sum is 30.

The square root of 158943 is about 398.6765606353. The cubic root of 158943 is about 54.1685406321.

The spelling of 158943 in words is "one hundred fifty-eight thousand, nine hundred forty-three".