162243233 has 2 divisors, whose sum is σ = 162243234. Its totient is φ = 162243232.

The previous prime is 162243217. The next prime is 162243239. The reversal of 162243233 is 332342261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113912929 + 48330304 = 10673^2 + 6952^2 .

It is an emirp because it is prime and its reverse (332342261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162243233 - 2⁴ = 162243217 is a prime.

It is not a weakly prime, because it can be changed into another prime (162243239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81121616 + 81121617.

It is an arithmetic number, because the mean of its divisors is an integer number (81121617).

Almost surely, 2^162243233 is an apocalyptic number.

It is an amenable number.

162243233 is a deficient number, since it is larger than the sum of its proper divisors (1).

162243233 is an equidigital number, since it uses as much as digits as its factorization.

162243233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 162243233 is about 12737.4735721021. The cubic root of 162243233 is about 545.4088708581.

Adding to 162243233 its reverse (332342261), we get a palindrome (494585494).

The spelling of 162243233 in words is "one hundred sixty-two million, two hundred forty-three thousand, two hundred thirty-three".