142303111 has 2 divisors, whose sum is σ = 142303112. Its totient is φ = 142303110.

The previous prime is 142303067. The next prime is 142303123. The reversal of 142303111 is 111303241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142303111 - 2⁷ = 142302983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142303151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71151555 + 71151556.

It is an arithmetic number, because the mean of its divisors is an integer number (71151556).

Almost surely, 2^142303111 is an apocalyptic number.

142303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

142303111 is an equidigital number, since it uses as much as digits as its factorization.

142303111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 142303111 is about 11929.0867630343. The cubic root of 142303111 is about 522.0812924191.

Adding to 142303111 its reverse (111303241), we get a palindrome (253606352).

The spelling of 142303111 in words is "one hundred forty-two million, three hundred three thousand, one hundred eleven".