142241699 has 2 divisors, whose sum is σ = 142241700. Its totient is φ = 142241698.

The previous prime is 142241689. The next prime is 142241717. The reversal of 142241699 is 996142241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142241699 - 2⁸ = 142241443 is a prime.

It is not a weakly prime, because it can be changed into another prime (142241629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71120849 + 71120850.

It is an arithmetic number, because the mean of its divisors is an integer number (71120850).

Almost surely, 2^142241699 is an apocalyptic number.

142241699 is a deficient number, since it is larger than the sum of its proper divisors (1).

142241699 is an equidigital number, since it uses as much as digits as its factorization.

142241699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 142241699 is about 11926.5124407766. The cubic root of 142241699 is about 522.0061788829.

The spelling of 142241699 in words is "one hundred forty-two million, two hundred forty-one thousand, six hundred ninety-nine".