1143445013 has 8 divisors (see below), whose sum is σ = 1183685376. Its totient is φ = 1103414400.

The previous prime is 1143445001. The next prime is 1143445067. The reversal of 1143445013 is 3105443411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143445013 - 2¹² = 1143440917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143445613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41303 + ... + 63188.

It is an arithmetic number, because the mean of its divisors is an integer number (147960672).

Almost surely, 2^1143445013 is an apocalyptic number.

It is an amenable number.

1143445013 is a deficient number, since it is larger than the sum of its proper divisors (40240363).

1143445013 is a wasteful number, since it uses less digits than its factorization.

1143445013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104875.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1143445013 is about 33814.8637879853. The cubic root of 1143445013 is about 1045.6951528017.

Adding to 1143445013 its reverse (3105443411), we get a palindrome (4248888424).

The spelling of 1143445013 in words is "one billion, one hundred forty-three million, four hundred forty-five thousand, thirteen".