243144104 has 32 divisors (see below), whose sum is σ = 533736000. Its totient is φ = 101662080.

The previous prime is 243144073. The next prime is 243144107. The reversal of 243144104 is 401441342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243144104.

It is not an unprimeable number, because it can be changed into a prime (243144107) 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, 50654 + ... + 55245.

It is an arithmetic number, because the mean of its divisors is an integer number (16679250).

Almost surely, 2^243144104 is an apocalyptic number.

It is an amenable number.

243144104 is an abundant number, since it is smaller than the sum of its proper divisors (290591896).

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

243144104 is a wasteful number, since it uses less digits than its factorization.

243144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105953 (or 105949 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 243144104 is about 15593.0787210223. The cubic root of 243144104 is about 624.1484757906.

Adding to 243144104 its reverse (401441342), we get a palindrome (644585446).

The spelling of 243144104 in words is "two hundred forty-three million, one hundred forty-four thousand, one hundred four".