243110020144 has 20 divisors (see below), whose sum is σ = 479009151720. Its totient is φ = 119494755200.

The previous prime is 243110020073. The next prime is 243110020159. The reversal of 243110020144 is 441020011342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128764957 + ... + 128766844.

It is an arithmetic number, because the mean of its divisors is an integer number (23950457586).

Almost surely, 2^243110020144 is an apocalyptic number.

It is an amenable number.

243110020144 is a deficient number, since it is larger than the sum of its proper divisors (235899131576).

243110020144 is a wasteful number, since it uses less digits than its factorization.

243110020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257531868 (or 257531862 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 243110020144 its reverse (441020011342), we get a palindrome (684130031486).

The spelling of 243110020144 in words is "two hundred forty-three billion, one hundred ten million, twenty thousand, one hundred forty-four".