243144435624 has 16 divisors (see below), whose sum is σ = 607861089120. Its totient is φ = 81048145200.

The previous prime is 243144435613. The next prime is 243144435629. The reversal of 243144435624 is 426534441342.

243144435624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243144435629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065509052 + ... + 5065509099.

It is an arithmetic number, because the mean of its divisors is an integer number (37991318070).

Almost surely, 2^243144435624 is an apocalyptic number.

243144435624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243144435624 is an abundant number, since it is smaller than the sum of its proper divisors (364716653496).

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

243144435624 is a wasteful number, since it uses less digits than its factorization.

243144435624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131018160 (or 10131018156 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 42.

Adding to 243144435624 its reverse (426534441342), we get a palindrome (669678876966).

The spelling of 243144435624 in words is "two hundred forty-three billion, one hundred forty-four million, four hundred thirty-five thousand, six hundred twenty-four".