142631163 has 6 divisors (see below), whose sum is σ = 206022804. Its totient is φ = 95087436.

The previous prime is 142631149. The next prime is 142631171. The reversal of 142631163 is 361136241.

142631163 is a `hidden beast` number, since 14 + 2 + 631 + 16 + 3 = 666.

It is not a de Polignac number, because 142631163 - 2⁹ = 142630651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142631563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7923945 + ... + 7923962.

It is an arithmetic number, because the mean of its divisors is an integer number (34337134).

Almost surely, 2^142631163 is an apocalyptic number.

142631163 is a deficient number, since it is larger than the sum of its proper divisors (63391641).

142631163 is a wasteful number, since it uses less digits than its factorization.

142631163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15847913 (or 15847910 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 142631163 is about 11942.8289362278. The cubic root of 142631163 is about 522.4821699768.

The spelling of 142631163 in words is "one hundred forty-two million, six hundred thirty-one thousand, one hundred sixty-three".