1345540543 has 8 divisors (see below), whose sum is σ = 1361451168. Its totient is φ = 1329723744.

The previous prime is 1345540513. The next prime is 1345540571. The reversal of 1345540543 is 3450455431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345540543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345540499 and 1345540508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345540513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 52177.

It is an arithmetic number, because the mean of its divisors is an integer number (170181396).

Almost surely, 2^1345540543 is an apocalyptic number.

1345540543 is a deficient number, since it is larger than the sum of its proper divisors (15910625).

1345540543 is a wasteful number, since it uses less digits than its factorization.

1345540543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46913.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 1345540543 is about 36681.6104199366. The cubic root of 1345540543 is about 1103.9911604763.

Adding to 1345540543 its reverse (3450455431), we get a palindrome (4795995974).

The spelling of 1345540543 in words is "one billion, three hundred forty-five million, five hundred forty thousand, five hundred forty-three".