243102424 has 16 divisors (see below), whose sum is σ = 465516000. Its totient is φ = 118964832.

The previous prime is 243102421. The next prime is 243102443. The reversal of 243102424 is 424201342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243102395 and 243102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243102421) 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 in 3 ways as a sum of consecutive naturals, for example, 322899 + ... + 323650.

It is an arithmetic number, because the mean of its divisors is an integer number (29094750).

Almost surely, 2^243102424 is an apocalyptic number.

It is an amenable number.

243102424 is a deficient number, since it is larger than the sum of its proper divisors (222413576).

243102424 is a wasteful number, since it uses less digits than its factorization.

243102424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646602 (or 646598 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 243102424 is about 15591.7421733429. The cubic root of 243102424 is about 624.1128097053.

Adding to 243102424 its reverse (424201342), we get a palindrome (667303766).

The spelling of 243102424 in words is "two hundred forty-three million, one hundred two thousand, four hundred twenty-four".