243143054 has 16 divisors (see below), whose sum is σ = 454709376. Its totient is φ = 94731000.

The previous prime is 243143053. The next prime is 243143063. The reversal of 243143054 is 450341342.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243143053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789272 + ... + 789579.

It is an arithmetic number, because the mean of its divisors is an integer number (28419336).

Almost surely, 2^243143054 is an apocalyptic number.

243143054 is a deficient number, since it is larger than the sum of its proper divisors (211566322).

243143054 is a wasteful number, since it uses less digits than its factorization.

243143054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578871.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 243143054 is about 15593.0450522020. The cubic root of 243143054 is about 624.1475773429.

Adding to 243143054 its reverse (450341342), we get a palindrome (693484396).

The spelling of 243143054 in words is "two hundred forty-three million, one hundred forty-three thousand, fifty-four".