142168787 has 2 divisors, whose sum is σ = 142168788. Its totient is φ = 142168786.

The previous prime is 142168751. The next prime is 142168813. The reversal of 142168787 is 787861241.

142168787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142168787 - 2¹⁰ = 142167763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142168487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71084393 + 71084394.

It is an arithmetic number, because the mean of its divisors is an integer number (71084394).

Almost surely, 2^142168787 is an apocalyptic number.

142168787 is a deficient number, since it is larger than the sum of its proper divisors (1).

142168787 is an equidigital number, since it uses as much as digits as its factorization.

142168787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 44.

The square root of 142168787 is about 11923.4553297272. The cubic root of 142168787 is about 521.9169715225.

The spelling of 142168787 in words is "one hundred forty-two million, one hundred sixty-eight thousand, seven hundred eighty-seven".