2133544144 has 10 divisors (see below), whose sum is σ = 4133741810. Its totient is φ = 1066772064.

The previous prime is 2133544117. The next prime is 2133544151. The reversal of 2133544144 is 4414453312.

It can be written as a sum of positive squares in only one way, i.e., 1893294144 + 240250000 = 43512^2 + 15500^2 .

It is a super-2 number, since 2×2133544144² = 9104021228793385472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66673239 + ... + 66673270.

It is an arithmetic number, because the mean of its divisors is an integer number (413374181).

Almost surely, 2^2133544144 is an apocalyptic number.

It is an amenable number.

2133544144 is a deficient number, since it is larger than the sum of its proper divisors (2000197666).

2133544144 is a wasteful number, since it uses less digits than its factorization.

2133544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133346517 (or 133346511 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 2133544144 is about 46190.3035712042. The cubic root of 2133544144 is about 1287.3615812985.

Adding to 2133544144 its reverse (4414453312), we get a palindrome (6547997456).

The spelling of 2133544144 in words is "two billion, one hundred thirty-three million, five hundred forty-four thousand, one hundred forty-four".