243433302242 has 16 divisors (see below), whose sum is σ = 393288513912. Its totient is φ = 112339516800.

The previous prime is 243433302209. The next prime is 243433302293. The reversal of 243433302242 is 242203334342.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 176491571881 + 66941730361 = 420109^2 + 258731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243433302199 and 243433302208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387083 + ... + 797934.

Almost surely, 2^243433302242 is an apocalyptic number.

243433302242 is a deficient number, since it is larger than the sum of its proper divisors (149855211670).

243433302242 is a wasteful number, since it uses less digits than its factorization.

243433302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192933.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 243433302242 its reverse (242203334342), we get a palindrome (485636636584).

The spelling of 243433302242 in words is "two hundred forty-three billion, four hundred thirty-three million, three hundred two thousand, two hundred forty-two".