142430507 has 2 divisors, whose sum is σ = 142430508. Its totient is φ = 142430506.

The previous prime is 142430489. The next prime is 142430531. The reversal of 142430507 is 705034241.

142430507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (705034241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142430507 - 2¹⁴ = 142414123 is a prime.

It is not a weakly prime, because it can be changed into another prime (142430207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215253 + 71215254.

It is an arithmetic number, because the mean of its divisors is an integer number (71215254).

Almost surely, 2^142430507 is an apocalyptic number.

142430507 is a deficient number, since it is larger than the sum of its proper divisors (1).

142430507 is an equidigital number, since it uses as much as digits as its factorization.

142430507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 142430507 is about 11934.4252898914. The cubic root of 142430507 is about 522.2370426574.

Adding to 142430507 its reverse (705034241), we get a palindrome (847464748).

The spelling of 142430507 in words is "one hundred forty-two million, four hundred thirty thousand, five hundred seven".