142008163 has 4 divisors (see below), whose sum is σ = 154918008. Its totient is φ = 129098320.

The previous prime is 142008161. The next prime is 142008169. The reversal of 142008163 is 361800241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361800241 = 11 ⋅32890931.

It is a cyclic number.

It is not a de Polignac number, because 142008163 - 2¹ = 142008161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142008161) 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 in 3 ways as a sum of consecutive naturals, for example, 6454906 + ... + 6454927.

It is an arithmetic number, because the mean of its divisors is an integer number (38729502).

Almost surely, 2^142008163 is an apocalyptic number.

142008163 is a deficient number, since it is larger than the sum of its proper divisors (12909845).

142008163 is a wasteful number, since it uses less digits than its factorization.

142008163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909844.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142008163 is about 11916.7177947621. The cubic root of 142008163 is about 521.7203414350.

The spelling of 142008163 in words is "one hundred forty-two million, eight thousand, one hundred sixty-three".