243132112 has 10 divisors (see below), whose sum is σ = 471068498. Its totient is φ = 121566048.

The previous prime is 243132089. The next prime is 243132161. The reversal of 243132112 is 211231342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213276816 + 29855296 = 14604^2 + 5464^2 .

It is a super-2 number, since 2×243132112² = 118226447771161088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243132112.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7597863 + ... + 7597894.

Almost surely, 2^243132112 is an apocalyptic number.

It is an amenable number.

243132112 is a deficient number, since it is larger than the sum of its proper divisors (227936386).

243132112 is a wasteful number, since it uses less digits than its factorization.

243132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195765 (or 15195759 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 243132112 is about 15592.6941867017. The cubic root of 243132112 is about 624.1382145074.

Adding to 243132112 its reverse (211231342), we get a palindrome (454363454).

It can be divided in two parts, 2431 and 32112, that added together give a palindrome (34543).

The spelling of 243132112 in words is "two hundred forty-three million, one hundred thirty-two thousand, one hundred twelve".