264144233 has 2 divisors, whose sum is σ = 264144234. Its totient is φ = 264144232.

The previous prime is 264144203. The next prime is 264144269. The reversal of 264144233 is 332441462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197346304 + 66797929 = 14048^2 + 8173^2 .

It is a cyclic number.

It is not a de Polignac number, because 264144233 - 2¹² = 264140137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 264144196 and 264144205.

It is not a weakly prime, because it can be changed into another prime (264144203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132072116 + 132072117.

It is an arithmetic number, because the mean of its divisors is an integer number (132072117).

Almost surely, 2^264144233 is an apocalyptic number.

It is an amenable number.

264144233 is a deficient number, since it is larger than the sum of its proper divisors (1).

264144233 is an equidigital number, since it uses as much as digits as its factorization.

264144233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 264144233 is about 16252.5146669677. The cubic root of 264144233 is about 641.6236710682.

Adding to 264144233 its reverse (332441462), we get a palindrome (596585695).

The spelling of 264144233 in words is "two hundred sixty-four million, one hundred forty-four thousand, two hundred thirty-three".