2143454524 has 12 divisors (see below), whose sum is σ = 3948469000. Its totient is φ = 1015320528.

The previous prime is 2143454501. The next prime is 2143454527. The reversal of 2143454524 is 4254543412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143454524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143454527) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 14101599 + ... + 14101750.

Almost surely, 2^2143454524 is an apocalyptic number.

It is an amenable number.

2143454524 is a deficient number, since it is larger than the sum of its proper divisors (1805014476).

2143454524 is a wasteful number, since it uses less digits than its factorization.

2143454524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203372 (or 28203370 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 2143454524 is about 46297.4569927982. The cubic root of 2143454524 is about 1289.3517813727.

Adding to 2143454524 its reverse (4254543412), we get a palindrome (6397997936).

The spelling of 2143454524 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, five hundred twenty-four".