243041455 has 16 divisors (see below), whose sum is σ = 296503200. Its totient is φ = 191213568.

The previous prime is 243041441. The next prime is 243041479. The reversal of 243041455 is 554140342.

It is a cyclic number.

It is not a de Polignac number, because 243041455 - 2⁷ = 243041327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163144 + ... + 164626.

It is an arithmetic number, because the mean of its divisors is an integer number (18531450).

Almost surely, 2^243041455 is an apocalyptic number.

243041455 is a deficient number, since it is larger than the sum of its proper divisors (53461745).

243041455 is a wasteful number, since it uses less digits than its factorization.

243041455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 243041455 is about 15589.7868811604. The cubic root of 243041455 is about 624.0606304431.

Adding to 243041455 its reverse (554140342), we get a palindrome (797181797).

The spelling of 243041455 in words is "two hundred forty-three million, forty-one thousand, four hundred fifty-five".