156943 has 2 divisors, whose sum is σ = 156944. Its totient is φ = 156942.

The previous prime is 156941. The next prime is 156967. The reversal of 156943 is 349651.

156943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 156943 - 2¹ = 156941 is a prime.

It is a super-2 number, since 2×156943² = 49262210498, which contains 22 as substring.

Together with 156941, it forms a pair of twin primes.

156943 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78471 + 78472.

It is an arithmetic number, because the mean of its divisors is an integer number (78472).

2¹⁵⁶⁹⁴³ is an apocalyptic number.

156943 is a deficient number, since it is larger than the sum of its proper divisors (1).

156943 is an equidigital number, since it uses as much as digits as its factorization.

156943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 156943 is about 396.1603210823. The cubic root of 156943 is about 53.9403777243.

The spelling of 156943 in words is "one hundred fifty-six thousand, nine hundred forty-three".