142271163 has 6 divisors (see below), whose sum is σ = 205502804. Its totient is φ = 94847436.

The previous prime is 142271117. The next prime is 142271177. The reversal of 142271163 is 361172241.

It is not a de Polignac number, because 142271163 - 2⁸ = 142270907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142271263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7903945 + ... + 7903962.

Almost surely, 2^142271163 is an apocalyptic number.

142271163 is a deficient number, since it is larger than the sum of its proper divisors (63231641).

142271163 is a wasteful number, since it uses less digits than its factorization.

142271163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807913 (or 15807910 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 142271163 is about 11927.7476079937. The cubic root of 142271163 is about 522.0422192478.

The spelling of 142271163 in words is "one hundred forty-two million, two hundred seventy-one thousand, one hundred sixty-three".