1148530543 has 2 divisors, whose sum is σ = 1148530544. Its totient is φ = 1148530542.

The previous prime is 1148530541. The next prime is 1148530619. The reversal of 1148530543 is 3450358411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1148530543 - 2¹ = 1148530541 is a prime.

It is a super-3 number, since 3×1148530543³ (a number of 28 digits) contains 333 as substring.

Together with 1148530541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1148530499 and 1148530508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148530541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574265271 + 574265272.

It is an arithmetic number, because the mean of its divisors is an integer number (574265272).

Almost surely, 2^1148530543 is an apocalyptic number.

1148530543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148530543 is an equidigital number, since it uses as much as digits as its factorization.

1148530543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1148530543 is about 33889.9770286142. The cubic root of 1148530543 is about 1047.2431210131.

Adding to 1148530543 its reverse (3450358411), we get a palindrome (4598888954).

The spelling of 1148530543 in words is "one billion, one hundred forty-eight million, five hundred thirty thousand, five hundred forty-three".