302430143 has 2 divisors, whose sum is σ = 302430144. Its totient is φ = 302430142.

The previous prime is 302430133. The next prime is 302430157. The reversal of 302430143 is 341034203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 302430143 - 2⁴ = 302430127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302430113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151215071 + 151215072.

It is an arithmetic number, because the mean of its divisors is an integer number (151215072).

Almost surely, 2^302430143 is an apocalyptic number.

302430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

302430143 is an equidigital number, since it uses as much as digits as its factorization.

302430143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 302430143 is about 17390.5187674204. The cubic root of 302430143 is about 671.2356665190.

Adding to 302430143 its reverse (341034203), we get a palindrome (643464346).

The spelling of 302430143 in words is "three hundred two million, four hundred thirty thousand, one hundred forty-three".