142430111 has 2 divisors, whose sum is σ = 142430112. Its totient is φ = 142430110.

The previous prime is 142430087. The next prime is 142430117. The reversal of 142430111 is 111034241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142430111 - 2¹⁴ = 142413727 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142430111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142430117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215055 + 71215056.

It is an arithmetic number, because the mean of its divisors is an integer number (71215056).

Almost surely, 2^142430111 is an apocalyptic number.

142430111 is a deficient number, since it is larger than the sum of its proper divisors (1).

142430111 is an equidigital number, since it uses as much as digits as its factorization.

142430111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 142430111 is about 11934.4086992192. The cubic root of 142430111 is about 522.2365586645.

Adding to 142430111 its reverse (111034241), we get a palindrome (253464352).

The spelling of 142430111 in words is "one hundred forty-two million, four hundred thirty thousand, one hundred eleven".