302443 has 2 divisors, whose sum is σ = 302444. Its totient is φ = 302442.

The previous prime is 302429. The next prime is 302459. The reversal of 302443 is 344203.

It is an a-pointer prime, because the next prime (302459) can be obtained adding 302443 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 302443 - 2⁵ = 302411 is a prime.

302443 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (302483) 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, 151221 + 151222.

It is an arithmetic number, because the mean of its divisors is an integer number (151222).

2³⁰²⁴⁴³ is an apocalyptic number.

302443 is a deficient number, since it is larger than the sum of its proper divisors (1).

302443 is an equidigital number, since it uses as much as digits as its factorization.

302443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302443 is about 549.9481793769. The cubic root of 302443 is about 67.1245178307.

Adding to 302443 its reverse (344203), we get a palindrome (646646).

The spelling of 302443 in words is "three hundred two thousand, four hundred forty-three", and thus it is an iban number.