1144626543 has 12 divisors (see below), whose sum is σ = 1656807360. Its totient is φ = 761488416.

The previous prime is 1144626529. The next prime is 1144626551. The reversal of 1144626543 is 3456264411.

1144626543 is a `hidden beast` number, since 11 + 44 + 62 + 6 + 543 = 666.

It is not a de Polignac number, because 1144626543 - 2¹³ = 1144618351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144626498 and 1144626507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144626563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128446 + ... + 137067.

It is an arithmetic number, because the mean of its divisors is an integer number (138067280).

Almost surely, 2^1144626543 is an apocalyptic number.

1144626543 is a deficient number, since it is larger than the sum of its proper divisors (512180817).

1144626543 is a wasteful number, since it uses less digits than its factorization.

1144626543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265998 (or 265995 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1144626543 is about 33832.3298488295. The cubic root of 1144626543 is about 1046.0552036033.

The spelling of 1144626543 in words is "one billion, one hundred forty-four million, six hundred twenty-six thousand, five hundred forty-three".