243000104 has 8 divisors (see below), whose sum is σ = 455625210. Its totient is φ = 121500048.

The previous prime is 243000067. The next prime is 243000151. The reversal of 243000104 is 401000342.

It can be written as a sum of positive squares in only one way, i.e., 230736100 + 12264004 = 15190^2 + 3502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15187499 + ... + 15187514.

Almost surely, 2^243000104 is an apocalyptic number.

It is an amenable number.

243000104 is a deficient number, since it is larger than the sum of its proper divisors (212625106).

243000104 is a wasteful number, since it uses less digits than its factorization.

243000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30375019 (or 30375015 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 243000104 is about 15588.4606039211. The cubic root of 243000104 is about 624.0252359397.

Adding to 243000104 its reverse (401000342), we get a palindrome (644000446).

The spelling of 243000104 in words is "two hundred forty-three million, one hundred four", and thus it is an aban number.