142430051 has 2 divisors, whose sum is σ = 142430052. Its totient is φ = 142430050.

The previous prime is 142430033. The next prime is 142430083. The reversal of 142430051 is 150034241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142430051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142430551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215025 + 71215026.

It is an arithmetic number, because the mean of its divisors is an integer number (71215026).

Almost surely, 2^142430051 is an apocalyptic number.

142430051 is a deficient number, since it is larger than the sum of its proper divisors (1).

142430051 is an equidigital number, since it uses as much as digits as its factorization.

142430051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142430051 is about 11934.4061854790. The cubic root of 142430051 is about 522.2364853321.

Adding to 142430051 its reverse (150034241), we get a palindrome (292464292).

The spelling of 142430051 in words is "one hundred forty-two million, four hundred thirty thousand, fifty-one".