1345241543 has 2 divisors, whose sum is σ = 1345241544. Its totient is φ = 1345241542.

The previous prime is 1345241537. The next prime is 1345241593. The reversal of 1345241543 is 3451425431.

It is a weak prime.

It is an emirp because it is prime and its reverse (3451425431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345241543 - 2¹⁴ = 1345225159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345241593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672620771 + 672620772.

It is an arithmetic number, because the mean of its divisors is an integer number (672620772).

Almost surely, 2^1345241543 is an apocalyptic number.

1345241543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345241543 is an equidigital number, since it uses as much as digits as its factorization.

1345241543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 1345241543 is about 36677.5345818118. The cubic root of 1345241543 is about 1103.9093797594.

Adding to 1345241543 its reverse (3451425431), we get a palindrome (4796666974).

The spelling of 1345241543 in words is "one billion, three hundred forty-five million, two hundred forty-one thousand, five hundred forty-three".