142902911 has 2 divisors, whose sum is σ = 142902912. Its totient is φ = 142902910.

The previous prime is 142902869. The next prime is 142902913. The reversal of 142902911 is 119209241.

It is a strong prime.

It is an emirp because it is prime and its reverse (119209241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142902911 - 2¹⁸ = 142640767 is a prime.

Together with 142902913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142902913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71451455 + 71451456.

It is an arithmetic number, because the mean of its divisors is an integer number (71451456).

Almost surely, 2^142902911 is an apocalyptic number.

142902911 is a deficient number, since it is larger than the sum of its proper divisors (1).

142902911 is an equidigital number, since it uses as much as digits as its factorization.

142902911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 142902911 is about 11954.2005587994. The cubic root of 142902911 is about 522.8137791561.

The spelling of 142902911 in words is "one hundred forty-two million, nine hundred two thousand, nine hundred eleven".