1143424413 has 24 divisors (see below), whose sum is σ = 1691509248. Its totient is φ = 743961312.

The previous prime is 1143424411. The next prime is 1143424417. The reversal of 1143424413 is 3144243411.

It is not a de Polignac number, because 1143424413 - 2¹ = 1143424411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143424411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154156 + ... + 161402.

It is an arithmetic number, because the mean of its divisors is an integer number (70479552).

Almost surely, 2^1143424413 is an apocalyptic number.

It is an amenable number.

1143424413 is a deficient number, since it is larger than the sum of its proper divisors (548084835).

1143424413 is a wasteful number, since it uses less digits than its factorization.

1143424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673 (or 7670 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1143424413 is about 33814.5591868355. The cubic root of 1143424413 is about 1045.6888731091.

Adding to 1143424413 its reverse (3144243411), we get a palindrome (4287667824).

The spelling of 1143424413 in words is "one billion, one hundred forty-three million, four hundred twenty-four thousand, four hundred thirteen".