142830053 has 2 divisors, whose sum is σ = 142830054. Its totient is φ = 142830052.

The previous prime is 142830041. The next prime is 142830067. The reversal of 142830053 is 350038241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108513889 + 34316164 = 10417^2 + 5858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142830053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142838053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71415026 + 71415027.

It is an arithmetic number, because the mean of its divisors is an integer number (71415027).

Almost surely, 2^142830053 is an apocalyptic number.

It is an amenable number.

142830053 is a deficient number, since it is larger than the sum of its proper divisors (1).

142830053 is an equidigital number, since it uses as much as digits as its factorization.

142830053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 142830053 is about 11951.1527895848. The cubic root of 142830053 is about 522.7249131295.

Adding to 142830053 its reverse (350038241), we get a palindrome (492868294).

The spelling of 142830053 in words is "one hundred forty-two million, eight hundred thirty thousand, fifty-three".