243134441 has 4 divisors (see below), whose sum is σ = 265237584. Its totient is φ = 221031300.

The previous prime is 243134417. The next prime is 243134453. The reversal of 243134441 is 144431342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243134441 - 2¹⁰ = 243133417 is a prime.

It is a super-2 number, since 2×243134441² = 118228712800764962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243134441.

It is not an unprimeable number, because it can be changed into a prime (243134401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051555 + ... + 11051576.

It is an arithmetic number, because the mean of its divisors is an integer number (66309396).

Almost surely, 2^243134441 is an apocalyptic number.

It is an amenable number.

243134441 is a deficient number, since it is larger than the sum of its proper divisors (22103143).

243134441 is a wasteful number, since it uses less digits than its factorization.

243134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103142.

The product of its digits is 4608, while the sum is 26.

The square root of 243134441 is about 15592.7688689341. The cubic root of 243134441 is about 624.1402074064.

Adding to 243134441 its reverse (144431342), we get a palindrome (387565783).

The spelling of 243134441 in words is "two hundred forty-three million, one hundred thirty-four thousand, four hundred forty-one".