243103144 has 32 divisors (see below), whose sum is σ = 465393600. Its totient is φ = 119025280.

The previous prime is 243103139. The next prime is 243103177. The reversal of 243103144 is 441301342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74589 + ... + 77779.

It is an arithmetic number, because the mean of its divisors is an integer number (14543550).

Almost surely, 2^243103144 is an apocalyptic number.

It is an amenable number.

243103144 is a deficient number, since it is larger than the sum of its proper divisors (222290456).

243103144 is a wasteful number, since it uses less digits than its factorization.

243103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 243103144 is about 15591.7652624711. The cubic root of 243103144 is about 624.1134258527.

Adding to 243103144 its reverse (441301342), we get a palindrome (684404486).

The spelling of 243103144 in words is "two hundred forty-three million, one hundred three thousand, one hundred forty-four".