1044312543 has 12 divisors (see below), whose sum is σ = 1510944448. Its totient is φ = 695057760.

The previous prime is 1044312509. The next prime is 1044312547. The reversal of 1044312543 is 3452134401.

It is a happy number.

1044312543 is a `hidden beast` number, since 104 + 4 + 3 + 12 + 543 = 666.

It is not a de Polignac number, because 1044312543 - 2¹⁰ = 1044311519 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 (1044312547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90118 + ... + 101043.

Almost surely, 2^1044312543 is an apocalyptic number.

1044312543 is a deficient number, since it is larger than the sum of its proper divisors (466631905).

1044312543 is a wasteful number, since it uses less digits than its factorization.

1044312543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191774 (or 191771 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1044312543 is about 32315.8249623927. The cubic root of 1044312543 is about 1014.5578871603.

Adding to 1044312543 its reverse (3452134401), we get a palindrome (4496446944).

The spelling of 1044312543 in words is "one billion, forty-four million, three hundred twelve thousand, five hundred forty-three".