142667699 has 2 divisors, whose sum is σ = 142667700. Its totient is φ = 142667698.

The previous prime is 142667683. The next prime is 142667743. The reversal of 142667699 is 996766241.

142667699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142667699 - 2⁴ = 142667683 is a prime.

It is not a weakly prime, because it can be changed into another prime (142667299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71333849 + 71333850.

It is an arithmetic number, because the mean of its divisors is an integer number (71333850).

Almost surely, 2^142667699 is an apocalyptic number.

142667699 is a deficient number, since it is larger than the sum of its proper divisors (1).

142667699 is an equidigital number, since it uses as much as digits as its factorization.

142667699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 142667699 is about 11944.3584591220. The cubic root of 142667699 is about 522.5267786921.

The spelling of 142667699 in words is "one hundred forty-two million, six hundred sixty-seven thousand, six hundred ninety-nine".