143427719 has 2 divisors, whose sum is σ = 143427720. Its totient is φ = 143427718.

The previous prime is 143427679. The next prime is 143427721. The reversal of 143427719 is 917724341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143427719 - 2⁸ = 143427463 is a prime.

It is a super-2 number, since 2×143427719² = 41143021155085922, which contains 22 as substring.

Together with 143427721, 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 (143427769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71713859 + 71713860.

It is an arithmetic number, because the mean of its divisors is an integer number (71713860).

Almost surely, 2^143427719 is an apocalyptic number.

143427719 is a deficient number, since it is larger than the sum of its proper divisors (1).

143427719 is an equidigital number, since it uses as much as digits as its factorization.

143427719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 143427719 is about 11976.1312200560. The cubic root of 143427719 is about 523.4530048943.

The spelling of 143427719 in words is "one hundred forty-three million, four hundred twenty-seven thousand, seven hundred nineteen".