1143433424 has 30 divisors (see below), whose sum is σ = 2577102354. Its totient is φ = 490042560.

The previous prime is 1143433409. The next prime is 1143433429. The reversal of 1143433424 is 4243343411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 959017024 + 184416400 = 30968^2 + 13580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143433429) 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, 728447 + ... + 730014.

Almost surely, 2^1143433424 is an apocalyptic number.

1143433424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143433424 is an abundant number, since it is smaller than the sum of its proper divisors (1433668930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143433424 is a wasteful number, since it uses less digits than its factorization.

1143433424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458483 (or 1458470 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 1143433424 is about 33814.6924279964. The cubic root of 1143433424 is about 1045.6916200266.

Adding to 1143433424 its reverse (4243343411), we get a palindrome (5386776835).

The spelling of 1143433424 in words is "one billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred twenty-four".