243053145135 has 24 divisors (see below), whose sum is σ = 426025744560. Its totient is φ = 128171843712.

The previous prime is 243053145113. The next prime is 243053145163. The reversal of 243053145135 is 531541350342.

243053145135 is a `hidden beast` number, since 2 + 4 + 305 + 314 + 5 + 1 + 35 = 666.

243053145135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243053145135 - 2⁸ = 243053144879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243053145135.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30339709 + ... + 30347718.

It is an arithmetic number, because the mean of its divisors is an integer number (17751072690).

Almost surely, 2^243053145135 is an apocalyptic number.

243053145135 is a deficient number, since it is larger than the sum of its proper divisors (182972599425).

243053145135 is a wasteful number, since it uses less digits than its factorization.

243053145135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60687527 (or 60687524 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 243053145135 its reverse (531541350342), we get a palindrome (774594495477).

The spelling of 243053145135 in words is "two hundred forty-three billion, fifty-three million, one hundred forty-five thousand, one hundred thirty-five".