243135202 has 4 divisors (see below), whose sum is σ = 364702806. Its totient is φ = 121567600.

The previous prime is 243135199. The next prime is 243135223. The reversal of 243135202 is 202531342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162333081 + 80802121 = 12741^2 + 8989^2 .

It is a super-2 number, since 2×243135202² = 118229452903161608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60783799 + ... + 60783802.

Almost surely, 2^243135202 is an apocalyptic number.

243135202 is a deficient number, since it is larger than the sum of its proper divisors (121567604).

243135202 is a wasteful number, since it uses less digits than its factorization.

243135202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121567603.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 243135202 is about 15592.7932712519. The cubic root of 243135202 is about 624.1408585828.

Adding to 243135202 its reverse (202531342), we get a palindrome (445666544).

The spelling of 243135202 in words is "two hundred forty-three million, one hundred thirty-five thousand, two hundred two".