243133243144 has 32 divisors (see below), whose sum is σ = 514466899200. Its totient is φ = 106704243520.

The previous prime is 243133243091. The next prime is 243133243159. The reversal of 243133243144 is 441342331342.

It is a super-2 number, since 2×243133243144² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47633272 + ... + 47638375.

It is an arithmetic number, because the mean of its divisors is an integer number (16077090600).

Almost surely, 2^243133243144 is an apocalyptic number.

It is an amenable number.

243133243144 is an abundant number, since it is smaller than the sum of its proper divisors (271333656056).

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

243133243144 is a wasteful number, since it uses less digits than its factorization.

243133243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95271693 (or 95271689 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

Adding to 243133243144 its reverse (441342331342), we get a palindrome (684475574486).

The spelling of 243133243144 in words is "two hundred forty-three billion, one hundred thirty-three million, two hundred forty-three thousand, one hundred forty-four".