142867271 has 2 divisors, whose sum is σ = 142867272. Its totient is φ = 142867270.

The previous prime is 142867267. The next prime is 142867343. The reversal of 142867271 is 172768241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142867271 - 2² = 142867267 is a prime.

It is a super-2 number, since 2×142867271² = 40822114245974882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142807271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71433635 + 71433636.

It is an arithmetic number, because the mean of its divisors is an integer number (71433636).

Almost surely, 2^142867271 is an apocalyptic number.

142867271 is a deficient number, since it is larger than the sum of its proper divisors (1).

142867271 is an equidigital number, since it uses as much as digits as its factorization.

142867271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The square root of 142867271 is about 11952.7097764482. The cubic root of 142867271 is about 522.7703122731.

The spelling of 142867271 in words is "one hundred forty-two million, eight hundred sixty-seven thousand, two hundred seventy-one".