243144430 has 16 divisors (see below), whose sum is σ = 438041520. Its totient is φ = 97172992.

The previous prime is 243144409. The next prime is 243144469. The reversal of 243144430 is 34441342.

It is a junction number, because it is equal to n+sod(n) for n = 243144395 and 243144404.

It is a congruent number.

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, 2181 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (27377595).

Almost surely, 2^243144430 is an apocalyptic number.

243144430 is a deficient number, since it is larger than the sum of its proper divisors (194897090).

243144430 is a wasteful number, since it uses less digits than its factorization.

243144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243144430 is about 15593.0891743747. The cubic root of 243144430 is about 624.1487547368.

Adding to 243144430 its reverse (34441342), we get a palindrome (277585772).

The spelling of 243144430 in words is "two hundred forty-three million, one hundred forty-four thousand, four hundred thirty".