302143 has 2 divisors, whose sum is σ = 302144. Its totient is φ = 302142.

The previous prime is 302123. The next prime is 302167. The reversal of 302143 is 341203.

It is a weak prime.

It is an emirp because it is prime and its reverse (341203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302143 - 2⁵ = 302111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151071 + 151072.

It is an arithmetic number, because the mean of its divisors is an integer number (151072).

2³⁰²¹⁴³ is an apocalyptic number.

302143 is a deficient number, since it is larger than the sum of its proper divisors (1).

302143 is an equidigital number, since it uses as much as digits as its factorization.

302143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 302143 is about 549.6753587346. The cubic root of 302143 is about 67.1023163831.

Adding to 302143 its reverse (341203), we get a palindrome (643346).

Subtracting 302143 from its reverse (341203), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 302143 in words is "three hundred two thousand, one hundred forty-three", and thus it is an iban number.