243147144 has 16 divisors (see below), whose sum is σ = 607867920. Its totient is φ = 81049040.

The previous prime is 243147143. The next prime is 243147169. The reversal of 243147144 is 441741342.

It is a super-3 number, since 3×243147144³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (243147143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065542 + ... + 5065589.

It is an arithmetic number, because the mean of its divisors is an integer number (37991745).

Almost surely, 2^243147144 is an apocalyptic number.

243147144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243147144 is an abundant number, since it is smaller than the sum of its proper divisors (364720776).

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

243147144 is a wasteful number, since it uses less digits than its factorization.

243147144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131140 (or 10131136 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 243147144 is about 15593.1761998638. The cubic root of 243147144 is about 624.1510769963.

Adding to 243147144 its reverse (441741342), we get a palindrome (684888486).

The spelling of 243147144 in words is "two hundred forty-three million, one hundred forty-seven thousand, one hundred forty-four".