243000002 has 8 divisors (see below), whose sum is σ = 416571456. Its totient is φ = 104142852.

The previous prime is 242999963. The next prime is 243000007. The reversal of 243000002 is 200000342.

243000002 = 8999² + 9000² + 9001².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (243000007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678558 + ... + 8678585.

It is an arithmetic number, because the mean of its divisors is an integer number (52071432).

Almost surely, 2^243000002 is an apocalyptic number.

243000002 is a deficient number, since it is larger than the sum of its proper divisors (173571454).

243000002 is a wasteful number, since it uses less digits than its factorization.

243000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357152.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 243000002 is about 15588.4573322699. The cubic root of 243000002 is about 624.0251486276.

Adding to 243000002 its reverse (200000342), we get a palindrome (443000344).

The spelling of 243000002 in words is "two hundred forty-three million, two", and thus it is an aban number.