1143402544 has 40 divisors (see below), whose sum is σ = 2255935968. Its totient is φ = 561262080.

The previous prime is 1143402451. The next prime is 1143402553. The reversal of 1143402544 is 4452043411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835749 + ... + 837115.

Almost surely, 2^1143402544 is an apocalyptic number.

It is an amenable number.

1143402544 is a deficient number, since it is larger than the sum of its proper divisors (1112533424).

1143402544 is a wasteful number, since it uses less digits than its factorization.

1143402544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1143402544 is about 33814.2358186608. The cubic root of 1143402544 is about 1045.6822064927.

Adding to 1143402544 its reverse (4452043411), we get a palindrome (5595445955).

The spelling of 1143402544 in words is "one billion, one hundred forty-three million, four hundred two thousand, five hundred forty-four".