142871 has 2 divisors, whose sum is σ = 142872. Its totient is φ = 142870.

The previous prime is 142867. The next prime is 142873. The reversal of 142871 is 178241.

142871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142871 - 2² = 142867 is a prime.

Together with 142873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142871.

It is not a weakly prime, because it can be changed into another prime (142873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71435 + 71436.

It is an arithmetic number, because the mean of its divisors is an integer number (71436).

2¹⁴²⁸⁷¹ is an apocalyptic number.

142871 is a deficient number, since it is larger than the sum of its proper divisors (1).

142871 is an equidigital number, since it uses as much as digits as its factorization.

142871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 23.

The square root of 142871 is about 377.9828038417. The cubic root of 142871 is about 52.2774860536.

The spelling of 142871 in words is "one hundred forty-two thousand, eight hundred seventy-one".