142276171 has 2 divisors, whose sum is σ = 142276172. Its totient is φ = 142276170.

The previous prime is 142276159. The next prime is 142276249. The reversal of 142276171 is 171672241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142276171 - 2⁵ = 142276139 is a prime.

It is not a weakly prime, because it can be changed into another prime (142276271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71138085 + 71138086.

It is an arithmetic number, because the mean of its divisors is an integer number (71138086).

Almost surely, 2^142276171 is an apocalyptic number.

142276171 is a deficient number, since it is larger than the sum of its proper divisors (1).

142276171 is an equidigital number, since it uses as much as digits as its factorization.

142276171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 142276171 is about 11927.9575368124. The cubic root of 142276171 is about 522.0483445387.

The spelling of 142276171 in words is "one hundred forty-two million, two hundred seventy-six thousand, one hundred seventy-one".