162443 has 4 divisors (see below), whose sum is σ = 165168. Its totient is φ = 159720.

The previous prime is 162439. The next prime is 162451. The reversal of 162443 is 344261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344261 = 19 ⋅18119.

It is a cyclic number.

It is not a de Polignac number, because 162443 - 2² = 162439 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162443.

It is not an unprimeable number, because it can be changed into a prime (162413) 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, 1271 + ... + 1392.

It is an arithmetic number, because the mean of its divisors is an integer number (41292).

2¹⁶²⁴⁴³ is an apocalyptic number.

162443 is a deficient number, since it is larger than the sum of its proper divisors (2725).

162443 is an equidigital number, since it uses as much as digits as its factorization.

162443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its digits is 576, while the sum is 20.

The square root of 162443 is about 403.0421814153. The cubic root of 162443 is about 54.5632629562.

The spelling of 162443 in words is "one hundred sixty-two thousand, four hundred forty-three".