2143442241 has 6 divisors (see below), whose sum is σ = 3096083250. Its totient is φ = 1428961488.

The previous prime is 2143442237. The next prime is 2143442261. The reversal of 2143442241 is 1422443412.

2143442241 is a `hidden beast` number, since 2 + 1 + 434 + 4 + 224 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1646330625 + 497111616 = 40575^2 + 22296^2 .

It is not a de Polignac number, because 2143442241 - 2² = 2143442237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143442261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119080116 + ... + 119080133.

It is an arithmetic number, because the mean of its divisors is an integer number (516013875).

Almost surely, 2^2143442241 is an apocalyptic number.

It is an amenable number.

2143442241 is a deficient number, since it is larger than the sum of its proper divisors (952641009).

2143442241 is a wasteful number, since it uses less digits than its factorization.

2143442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238160255 (or 238160252 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2143442241 is about 46297.3243395339. The cubic root of 2143442241 is about 1289.3493185045.

Adding to 2143442241 its reverse (1422443412), we get a palindrome (3565885653).

The spelling of 2143442241 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, two hundred forty-one".