243065142 has 12 divisors (see below), whose sum is σ = 526641180. Its totient is φ = 81021708.

The previous prime is 243065117. The next prime is 243065143. The reversal of 243065142 is 241560342.

243065142 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 651 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243065143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6751792 + ... + 6751827.

It is an arithmetic number, because the mean of its divisors is an integer number (43886765).

Almost surely, 2^243065142 is an apocalyptic number.

243065142 is an abundant number, since it is smaller than the sum of its proper divisors (283576038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243065142 is a wasteful number, since it uses less digits than its factorization.

243065142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503627 (or 13503624 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 243065142 is about 15590.5465587323. The cubic root of 243065142 is about 624.0809035880.

The spelling of 243065142 in words is "two hundred forty-three million, sixty-five thousand, one hundred forty-two".