243414133 has 4 divisors (see below), whose sum is σ = 243691308. Its totient is φ = 243136960.

The previous prime is 243414121. The next prime is 243414151. The reversal of 243414133 is 331414342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36687249 + 206726884 = 6057^2 + 14378^2 .

It is a cyclic number.

It is not a de Polignac number, because 243414133 - 2²¹ = 241316981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243414098 and 243414107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243414103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137266 + ... + 139027.

It is an arithmetic number, because the mean of its divisors is an integer number (60922827).

Almost surely, 2^243414133 is an apocalyptic number.

It is an amenable number.

243414133 is a deficient number, since it is larger than the sum of its proper divisors (277175).

243414133 is an equidigital number, since it uses as much as digits as its factorization.

243414133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277174.

The product of its digits is 3456, while the sum is 25.

The square root of 243414133 is about 15601.7349355769. The cubic root of 243414133 is about 624.3794442208.

Adding to 243414133 its reverse (331414342), we get a palindrome (574828475).

The spelling of 243414133 in words is "two hundred forty-three million, four hundred fourteen thousand, one hundred thirty-three".