142860143 has 2 divisors, whose sum is σ = 142860144. Its totient is φ = 142860142.

The previous prime is 142860131. The next prime is 142860161. The reversal of 142860143 is 341068241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142860143 - 2¹⁴ = 142843759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142860103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71430071 + 71430072.

It is an arithmetic number, because the mean of its divisors is an integer number (71430072).

Almost surely, 2^142860143 is an apocalyptic number.

142860143 is a deficient number, since it is larger than the sum of its proper divisors (1).

142860143 is an equidigital number, since it uses as much as digits as its factorization.

142860143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 142860143 is about 11952.4115976651. The cubic root of 142860143 is about 522.7616180291.

The spelling of 142860143 in words is "one hundred forty-two million, eight hundred sixty thousand, one hundred forty-three".