243040302 has 24 divisors (see below), whose sum is σ = 527820384. Its totient is φ = 80823744.

The previous prime is 243040247. The next prime is 243040321. The reversal of 243040302 is 203040342.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 7798 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (21992516).

Almost surely, 2^243040302 is an apocalyptic number.

243040302 is an abundant number, since it is smaller than the sum of its proper divisors (284780082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243040302 is a wasteful number, since it uses less digits than its factorization.

243040302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624 (or 31621 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 243040302 is about 15589.7499017784. The cubic root of 243040302 is about 624.0596435839.

Adding to 243040302 its reverse (203040342), we get a palindrome (446080644).

It can be divided in two parts, 243040 and 302, that added together give a palindrome (243342).

The spelling of 243040302 in words is "two hundred forty-three million, forty thousand, three hundred two".