243505046 has 16 divisors (see below), whose sum is σ = 372619008. Its totient is φ = 119313600.

The previous prime is 243505043. The next prime is 243505051. The reversal of 243505046 is 640505342.

243505046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243505043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30731 + ... + 37833.

It is an arithmetic number, because the mean of its divisors is an integer number (23288688).

Almost surely, 2^243505046 is an apocalyptic number.

243505046 is a deficient number, since it is larger than the sum of its proper divisors (129113962).

243505046 is a wasteful number, since it uses less digits than its factorization.

243505046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 243505046 is about 15604.6482177587. The cubic root of 243505046 is about 624.4571679232.

The spelling of 243505046 in words is "two hundred forty-three million, five hundred five thousand, forty-six".