243104112 has 160 divisors (see below), whose sum is σ = 746380800. Its totient is φ = 75575808.

The previous prime is 243104083. The next prime is 243104137. The reversal of 243104112 is 211401342.

243104112 is a `hidden beast` number, since 243 + 10 + 411 + 2 = 666.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426964 + ... + 427532.

It is an arithmetic number, because the mean of its divisors is an integer number (4664880).

Almost surely, 2^243104112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243104112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373190400).

243104112 is an abundant number, since it is smaller than the sum of its proper divisors (503276688).

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

243104112 is a wasteful number, since it uses less digits than its factorization.

243104112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 243104112 is about 15591.7963044673. The cubic root of 243104112 is about 624.1142542267.

Adding to 243104112 its reverse (211401342), we get a palindrome (454505454).

The spelling of 243104112 in words is "two hundred forty-three million, one hundred four thousand, one hundred twelve".