243144146 has 32 divisors (see below), whose sum is σ = 424673280. Its totient is φ = 102258000.

The previous prime is 243144127. The next prime is 243144157. The reversal of 243144146 is 641441342.

243144146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 210671 + ... + 211821.

It is an arithmetic number, because the mean of its divisors is an integer number (13271040).

Almost surely, 2^243144146 is an apocalyptic number.

243144146 is a deficient number, since it is larger than the sum of its proper divisors (181529134).

243144146 is a wasteful number, since it uses less digits than its factorization.

243144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 9216, while the sum is 29.

The square root of 243144146 is about 15593.0800677737. The cubic root of 243144146 is about 624.1485117285.

Adding to 243144146 its reverse (641441342), we get a palindrome (884585488).

The spelling of 243144146 in words is "two hundred forty-three million, one hundred forty-four thousand, one hundred forty-six".