142920163 has 2 divisors, whose sum is σ = 142920164. Its totient is φ = 142920162.

The previous prime is 142920131. The next prime is 142920209. The reversal of 142920163 is 361029241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142920163 - 2⁵ = 142920131 is a prime.

It is not a weakly prime, because it can be changed into another prime (142920263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71460081 + 71460082.

It is an arithmetic number, because the mean of its divisors is an integer number (71460082).

Almost surely, 2^142920163 is an apocalyptic number.

142920163 is a deficient number, since it is larger than the sum of its proper divisors (1).

142920163 is an equidigital number, since it uses as much as digits as its factorization.

142920163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142920163 is about 11954.9221243804. The cubic root of 142920163 is about 522.8348172635.

The spelling of 142920163 in words is "one hundred forty-two million, nine hundred twenty thousand, one hundred sixty-three".