1141044543 has 16 divisors (see below), whose sum is σ = 1691948640. Its totient is φ = 760015872.

The previous prime is 1141044511. The next prime is 1141044547. The reversal of 1141044543 is 3454401411.

1141044543 is a `hidden beast` number, since 1 + 14 + 104 + 4 + 543 = 666.

It is not a de Polignac number, because 1141044543 - 2⁵ = 1141044511 is a prime.

It is a super-2 number, since 2×1141044543² = 2603965298220157698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141044547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12805 + ... + 49457.

It is an arithmetic number, because the mean of its divisors is an integer number (105746790).

Almost surely, 2^1141044543 is an apocalyptic number.

1141044543 is a deficient number, since it is larger than the sum of its proper divisors (550904097).

1141044543 is a wasteful number, since it uses less digits than its factorization.

1141044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37815 (or 37809 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1141044543 is about 33779.3508374569. The cubic root of 1141044543 is about 1044.9628865889.

Adding to 1141044543 its reverse (3454401411), we get a palindrome (4595445954).

The spelling of 1141044543 in words is "one billion, one hundred forty-one million, forty-four thousand, five hundred forty-three".