142251143 has 2 divisors, whose sum is σ = 142251144. Its totient is φ = 142251142.

The previous prime is 142251133. The next prime is 142251149. The reversal of 142251143 is 341152241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142251143 - 2⁶ = 142251079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142251149) 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, 71125571 + 71125572.

It is an arithmetic number, because the mean of its divisors is an integer number (71125572).

Almost surely, 2^142251143 is an apocalyptic number.

142251143 is a deficient number, since it is larger than the sum of its proper divisors (1).

142251143 is an equidigital number, since it uses as much as digits as its factorization.

142251143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 142251143 is about 11926.9083588330. The cubic root of 142251143 is about 522.0177313257.

The spelling of 142251143 in words is "one hundred forty-two million, two hundred fifty-one thousand, one hundred forty-three".