243054135 has 16 divisors (see below), whose sum is σ = 432096480. Its totient is φ = 129628800.

The previous prime is 243054089. The next prime is 243054169. The reversal of 243054135 is 531450342.

243054135 is a `hidden beast` number, since 243 + 0 + 5 + 413 + 5 = 666.

It is not a de Polignac number, because 243054135 - 2⁹ = 243053623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243054099 and 243054108.

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, 900066 + ... + 900335.

It is an arithmetic number, because the mean of its divisors is an integer number (27006030).

Almost surely, 2^243054135 is an apocalyptic number.

243054135 is a deficient number, since it is larger than the sum of its proper divisors (189042345).

243054135 is a wasteful number, since it uses less digits than its factorization.

243054135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800415 (or 1800409 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243054135 is about 15590.1935523585. The cubic root of 243054135 is about 624.0714831200.

It can be divided in two parts, 2430 and 54135, that added together give a palindrome (56565).

The spelling of 243054135 in words is "two hundred forty-three million, fifty-four thousand, one hundred thirty-five".