243424141 has 8 divisors (see below), whose sum is σ = 246331800. Its totient is φ = 240528960.

The previous prime is 243424133. The next prime is 243424189. The reversal of 243424141 is 141424342.

243424141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29387241 + 214036900 = 5421^2 + 14630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243424141 - 2³ = 243424133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243424541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39531 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (30791475).

Almost surely, 2^243424141 is an apocalyptic number.

It is an amenable number.

243424141 is a deficient number, since it is larger than the sum of its proper divisors (2907659).

243424141 is a wasteful number, since it uses less digits than its factorization.

243424141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239.

The product of its digits is 3072, while the sum is 25.

The square root of 243424141 is about 15602.0556658410. The cubic root of 243424141 is about 624.3880012476.

Adding to 243424141 its reverse (141424342), we get a palindrome (384848483).

The spelling of 243424141 in words is "two hundred forty-three million, four hundred twenty-four thousand, one hundred forty-one".