243140302352 has 10 divisors (see below), whose sum is σ = 471084335838. Its totient is φ = 121570151168.

The previous prime is 243140302337. The next prime is 243140302367. The reversal of 243140302352 is 253203041342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243140302337) and next prime (243140302367).

It can be written as a sum of positive squares in only one way, i.e., 143577335056 + 99562967296 = 378916^2 + 315536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7598134433 + ... + 7598134464.

Almost surely, 2^243140302352 is an apocalyptic number.

It is an amenable number.

243140302352 is a deficient number, since it is larger than the sum of its proper divisors (227944033486).

243140302352 is a wasteful number, since it uses less digits than its factorization.

243140302352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196268905 (or 15196268899 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243140302352 its reverse (253203041342), we get a palindrome (496343343694).

The spelling of 243140302352 in words is "two hundred forty-three billion, one hundred forty million, three hundred two thousand, three hundred fifty-two".