142771199 has 2 divisors, whose sum is σ = 142771200. Its totient is φ = 142771198.

The previous prime is 142771183. The next prime is 142771229. The reversal of 142771199 is 991177241.

142771199 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 an emirp because it is prime and its reverse (991177241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142771199 - 2⁴ = 142771183 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_8059829 and since 142771199 and 8059829 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142771129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71385599 + 71385600.

It is an arithmetic number, because the mean of its divisors is an integer number (71385600).

Almost surely, 2^142771199 is an apocalyptic number.

142771199 is a deficient number, since it is larger than the sum of its proper divisors (1).

142771199 is an equidigital number, since it uses as much as digits as its factorization.

142771199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 41.

The square root of 142771199 is about 11948.6902629535. The cubic root of 142771199 is about 522.6531059295.

The spelling of 142771199 in words is "one hundred forty-two million, seven hundred seventy-one thousand, one hundred ninety-nine".