243445912512 has 224 divisors, whose sum is σ = 739036514304. Its totient is φ = 70043750400.

The previous prime is 243445912477. The next prime is 243445912519. The reversal of 243445912512 is 215219544342.

243445912512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243445912519) 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 31 ways as a sum of consecutive naturals, for example, 3434938 + ... + 3505094.

Almost surely, 2^243445912512 is an apocalyptic number.

243445912512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243445912512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369518257152).

243445912512 is an abundant number, since it is smaller than the sum of its proper divisors (495590601792).

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

243445912512 is a wasteful number, since it uses less digits than its factorization.

243445912512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70267 (or 70257 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 243445912512 in words is "two hundred forty-three billion, four hundred forty-five million, nine hundred twelve thousand, five hundred twelve".