242120545144 has 16 divisors (see below), whose sum is σ = 455663669400. Its totient is φ = 120610233312.

The previous prime is 242120545123. The next prime is 242120545151. The reversal of 242120545144 is 441545021242.

242120545144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56252622 + ... + 56256925.

Almost surely, 2^242120545144 is an apocalyptic number.

It is an amenable number.

242120545144 is a deficient number, since it is larger than the sum of its proper divisors (213543124256).

242120545144 is a wasteful number, since it uses less digits than its factorization.

242120545144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112509822 (or 112509818 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 242120545144 its reverse (441545021242), we get a palindrome (683665566386).

The spelling of 242120545144 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, one hundred forty-four".