302402243 has 16 divisors (see below), whose sum is σ = 357143136. Its totient is φ = 252426240.

The previous prime is 302402237. The next prime is 302402279. The reversal of 302402243 is 342204203.

It is not a de Polignac number, because 302402243 - 2¹² = 302398147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302402203) 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 in 15 ways as a sum of consecutive naturals, for example, 22121 + ... + 33077.

It is an arithmetic number, because the mean of its divisors is an integer number (22321446).

Almost surely, 2^302402243 is an apocalyptic number.

302402243 is a deficient number, since it is larger than the sum of its proper divisors (54740893).

302402243 is a wasteful number, since it uses less digits than its factorization.

302402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302402243 is about 17389.7165876848. The cubic root of 302402243 is about 671.2150247813.

Adding to 302402243 its reverse (342204203), we get a palindrome (644606446).

The spelling of 302402243 in words is "three hundred two million, four hundred two thousand, two hundred forty-three".