243147430 has 16 divisors (see below), whose sum is σ = 463410720. Its totient is φ = 91537792.

The previous prime is 243147371. The next prime is 243147439. The reversal of 243147430 is 34741342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243147439) 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, 714970 + ... + 715309.

It is an arithmetic number, because the mean of its divisors is an integer number (28963170).

Almost surely, 2^243147430 is an apocalyptic number.

243147430 is a deficient number, since it is larger than the sum of its proper divisors (220263290).

243147430 is a wasteful number, since it uses less digits than its factorization.

243147430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430303.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 243147430 is about 15593.1853705393. The cubic root of 243147430 is about 624.1513217139.

Adding to 243147430 its reverse (34741342), we get a palindrome (277888772).

The spelling of 243147430 in words is "two hundred forty-three million, one hundred forty-seven thousand, four hundred thirty".