243245455455 has 8 divisors (see below), whose sum is σ = 389192728752. Its totient is φ = 129730909568.

The previous prime is 243245455423. The next prime is 243245455459. The reversal of 243245455455 is 554554542342.

243245455455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243245455455 - 2⁵ = 243245455423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245455459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8108181834 + ... + 8108181863.

It is an arithmetic number, because the mean of its divisors is an integer number (48649091094).

Almost surely, 2^243245455455 is an apocalyptic number.

243245455455 is a deficient number, since it is larger than the sum of its proper divisors (145947273297).

243245455455 is a wasteful number, since it uses less digits than its factorization.

243245455455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16216363705.

The product of its digits is 9600000, while the sum is 48.

Adding to 243245455455 its reverse (554554542342), we get a palindrome (797799997797).

The spelling of 243245455455 in words is "two hundred forty-three billion, two hundred forty-five million, four hundred fifty-five thousand, four hundred fifty-five".