142430207 has 2 divisors, whose sum is σ = 142430208. Its totient is φ = 142430206.

The previous prime is 142430203. The next prime is 142430219. The reversal of 142430207 is 702034241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142430207 - 2² = 142430203 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142430203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215103 + 71215104.

It is an arithmetic number, because the mean of its divisors is an integer number (71215104).

Almost surely, 2^142430207 is an apocalyptic number.

142430207 is a deficient number, since it is larger than the sum of its proper divisors (1).

142430207 is an equidigital number, since it uses as much as digits as its factorization.

142430207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 142430207 is about 11934.4127212025. The cubic root of 142430207 is about 522.2366759962.

Adding to 142430207 its reverse (702034241), we get a palindrome (844464448).

The spelling of 142430207 in words is "one hundred forty-two million, four hundred thirty thousand, two hundred seven".