243094042 has 16 divisors (see below), whose sum is σ = 373514400. Its totient is φ = 118619280.

The previous prime is 243094021. The next prime is 243094057. The reversal of 243094042 is 240490342.

It is a self number, because there is not a number n which added to its sum of digits gives 243094042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8992 + ... + 23812.

It is an arithmetic number, because the mean of its divisors is an integer number (23344650).

Almost surely, 2^243094042 is an apocalyptic number.

243094042 is a deficient number, since it is larger than the sum of its proper divisors (130420358).

243094042 is a wasteful number, since it uses less digits than its factorization.

243094042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15021.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 243094042 is about 15591.4733748931. The cubic root of 243094042 is about 624.1056366331.

The spelling of 243094042 in words is "two hundred forty-three million, ninety-four thousand, forty-two".