2268143 has 2 divisors, whose sum is σ = 2268144. Its totient is φ = 2268142.

The previous prime is 2268139. The next prime is 2268193. The reversal of 2268143 is 3418622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2268143 - 2² = 2268139 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134071 + 1134072.

It is an arithmetic number, because the mean of its divisors is an integer number (1134072).

2^2268143 is an apocalyptic number.

2268143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268143 is an equidigital number, since it uses as much as digits as its factorization.

2268143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 2268143 is about 1506.0355241494. The cubic root of 2268143 is about 131.3883354756.

The spelling of 2268143 in words is "two million, two hundred sixty-eight thousand, one hundred forty-three".