243140002 has 16 divisors (see below), whose sum is σ = 431184960. Its totient is φ = 100609488.

The previous prime is 243139999. The next prime is 243140011. The reversal of 243140002 is 200041342.

243140002 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 299028 + ... + 299839.

It is an arithmetic number, because the mean of its divisors is an integer number (26949060).

Almost surely, 2^243140002 is an apocalyptic number.

243140002 is a deficient number, since it is larger than the sum of its proper divisors (188044958).

243140002 is a wasteful number, since it uses less digits than its factorization.

243140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598905.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 243140002 is about 15592.9471877513. The cubic root of 243140002 is about 624.1449658400.

Adding to 243140002 its reverse (200041342), we get a palindrome (443181344).

The spelling of 243140002 in words is "two hundred forty-three million, one hundred forty thousand, two".