156443 has 4 divisors (see below), whose sum is σ = 178800. Its totient is φ = 134088.

The previous prime is 156437. The next prime is 156467. The reversal of 156443 is 344651.

It is a happy number.

156443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344651 = 47 ⋅7333.

It is a cyclic number.

It is not a de Polignac number, because 156443 - 2¹⁶ = 90907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156493) 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, 11168 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (44700).

2¹⁵⁶⁴⁴³ is an apocalyptic number.

156443 is a deficient number, since it is larger than the sum of its proper divisors (22357).

156443 is an equidigital number, since it uses as much as digits as its factorization.

156443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356.

The product of its digits is 1440, while the sum is 23.

The square root of 156443 is about 395.5287600163. The cubic root of 156443 is about 53.8830344407.

The spelling of 156443 in words is "one hundred fifty-six thousand, four hundred forty-three".