162243 has 10 divisors (see below), whose sum is σ = 242484. Its totient is φ = 108108.

The previous prime is 162229. The next prime is 162251. The reversal of 162243 is 342261.

It is a happy number.

162243 is a `hidden beast` number, since 1 + 622 + 43 = 666.

It is not a de Polignac number, because 162243 - 2⁹ = 161731 is a prime.

162243 is a modest number, since divided by 243 gives 162 as remainder.

It is not an unprimeable number, because it can be changed into a prime (162263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 921 + ... + 1082.

2¹⁶²²⁴³ is an apocalyptic number.

162243 is a deficient number, since it is larger than the sum of its proper divisors (80241).

162243 is an equidigital number, since it uses as much as digits as its factorization.

162243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2006 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 162243 is about 402.7939920108. The cubic root of 162243 is about 54.5408609768.

Adding to 162243 its sum of digits (18), we get a palindrome (162261).

The spelling of 162243 in words is "one hundred sixty-two thousand, two hundred forty-three".