2289143 has 2 divisors, whose sum is σ = 2289144. Its totient is φ = 2289142.

The previous prime is 2289127. The next prime is 2289149. The reversal of 2289143 is 3419822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2289143 - 2⁴ = 2289127 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144571 + 1144572.

It is an arithmetic number, because the mean of its divisors is an integer number (1144572).

2^2289143 is an apocalyptic number.

2289143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289143 is an equidigital number, since it uses as much as digits as its factorization.

2289143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 2289143 is about 1512.9914077747. The cubic root of 2289143 is about 131.7925844146.

The spelling of 2289143 in words is "two million, two hundred eighty-nine thousand, one hundred forty-three".