243003042 has 24 divisors (see below), whose sum is σ = 531938316. Its totient is φ = 80165376.

The previous prime is 243003029. The next prime is 243003053. The reversal of 243003042 is 240300342.

It can be written as a sum of positive squares in 2 ways, for example, as 211091841 + 31911201 = 14529^2 + 5649^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67843 + ... + 71334.

Almost surely, 2^243003042 is an apocalyptic number.

243003042 is an abundant number, since it is smaller than the sum of its proper divisors (288935274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243003042 is a wasteful number, since it uses less digits than its factorization.

243003042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139282 (or 139279 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 243003042 is about 15588.5548400100. The cubic root of 243003042 is about 624.0277508615.

Adding to 243003042 its reverse (240300342), we get a palindrome (483303384).

The spelling of 243003042 in words is "two hundred forty-three million, three thousand, forty-two".