142032271 has 2 divisors, whose sum is σ = 142032272. Its totient is φ = 142032270.

The previous prime is 142032259. The next prime is 142032287. The reversal of 142032271 is 172230241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142032271 - 2²¹ = 139935119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142032211) 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, 71016135 + 71016136.

It is an arithmetic number, because the mean of its divisors is an integer number (71016136).

Almost surely, 2^142032271 is an apocalyptic number.

142032271 is a deficient number, since it is larger than the sum of its proper divisors (1).

142032271 is an equidigital number, since it uses as much as digits as its factorization.

142032271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 142032271 is about 11917.7292719712. The cubic root of 142032271 is about 521.7498630297.

The spelling of 142032271 in words is "one hundred forty-two million, thirty-two thousand, two hundred seventy-one".