1144143239 has 2 divisors, whose sum is σ = 1144143240. Its totient is φ = 1144143238.

The previous prime is 1144143233. The next prime is 1144143241. The reversal of 1144143239 is 9323414411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144143239 - 2⁴ = 1144143223 is a prime.

It is a super-2 number, since 2×1144143239² = 2618127502698822242, which contains 22 as substring.

Together with 1144143241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144143233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572071619 + 572071620.

It is an arithmetic number, because the mean of its divisors is an integer number (572071620).

Almost surely, 2^1144143239 is an apocalyptic number.

1144143239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144143239 is an equidigital number, since it uses as much as digits as its factorization.

1144143239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 1144143239 is about 33825.1864592052. The cubic root of 1144143239 is about 1045.9079550416.

The spelling of 1144143239 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, two hundred thirty-nine".