142901911 has 2 divisors, whose sum is σ = 142901912. Its totient is φ = 142901910.

The previous prime is 142901903. The next prime is 142901917. The reversal of 142901911 is 119109241.

It is a strong prime.

It is an emirp because it is prime and its reverse (119109241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142901911 - 2³ = 142901903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142901911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142901917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71450955 + 71450956.

It is an arithmetic number, because the mean of its divisors is an integer number (71450956).

Almost surely, 2^142901911 is an apocalyptic number.

142901911 is a deficient number, since it is larger than the sum of its proper divisors (1).

142901911 is an equidigital number, since it uses as much as digits as its factorization.

142901911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 142901911 is about 11954.1587324245. The cubic root of 142901911 is about 522.8125596451.

The spelling of 142901911 in words is "one hundred forty-two million, nine hundred one thousand, nine hundred eleven".