1145543533 has 2 divisors, whose sum is σ = 1145543534. Its totient is φ = 1145543532.

The previous prime is 1145543513. The next prime is 1145543551. The reversal of 1145543533 is 3353455411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849256164 + 296287369 = 29142^2 + 17213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145543533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145543513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572771766 + 572771767.

It is an arithmetic number, because the mean of its divisors is an integer number (572771767).

Almost surely, 2^1145543533 is an apocalyptic number.

It is an amenable number.

1145543533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145543533 is an equidigital number, since it uses as much as digits as its factorization.

1145543533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 34.

The square root of 1145543533 is about 33845.8791140074. The cubic root of 1145543533 is about 1046.3344696890.

Adding to 1145543533 its reverse (3353455411), we get a palindrome (4498998944).

The spelling of 1145543533 in words is "one billion, one hundred forty-five million, five hundred forty-three thousand, five hundred thirty-three".