2144243 has 2 divisors, whose sum is σ = 2144244. Its totient is φ = 2144242.

The previous prime is 2144213. The next prime is 2144249. The reversal of 2144243 is 3424412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144243 - 2⁶ = 2144179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144249) 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, 1072121 + 1072122.

It is an arithmetic number, because the mean of its divisors is an integer number (1072122).

2^2144243 is an apocalyptic number.

2144243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144243 is an equidigital number, since it uses as much as digits as its factorization.

2144243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 20.

The square root of 2144243 is about 1464.3233932434. The cubic root of 2144243 is about 128.9509859263.

Adding to 2144243 its reverse (3424412), we get a palindrome (5568655).

The spelling of 2144243 in words is "two million, one hundred forty-four thousand, two hundred forty-three".