243144144 has 60 divisors (see below), whose sum is σ = 681566496. Its totient is φ = 80917056.

The previous prime is 243144127. The next prime is 243144157. The reversal of 243144144 is 441441342.

243144144 is a `hidden beast` number, since 243 + 1 + 4 + 414 + 4 = 666.

It is a super-2 number, since 2×243144144² = 118238149522985472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135477 + ... + 137259.

Almost surely, 2^243144144 is an apocalyptic number.

243144144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243144144 is an abundant number, since it is smaller than the sum of its proper divisors (438422352).

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

243144144 is a wasteful number, since it uses less digits than its factorization.

243144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 2735 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 243144144 is about 15593.0800036426. The cubic root of 243144144 is about 624.1485100172.

Adding to 243144144 its reverse (441441342), we get a palindrome (684585486).

The spelling of 243144144 in words is "two hundred forty-three million, one hundred forty-four thousand, one hundred forty-four".