1045523543 has 8 divisors (see below), whose sum is σ = 1085808768. Its totient is φ = 1005964344.

The previous prime is 1045523537. The next prime is 1045523569. The reversal of 1045523543 is 3453255401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1045523543 - 2⁸ = 1045523287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045523503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178571 + ... + 184332.

It is an arithmetic number, because the mean of its divisors is an integer number (135726096).

Almost surely, 2^1045523543 is an apocalyptic number.

1045523543 is a deficient number, since it is larger than the sum of its proper divisors (40285225).

1045523543 is an equidigital number, since it uses as much as digits as its factorization.

1045523543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363013.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1045523543 is about 32334.5564837373. The cubic root of 1045523543 is about 1014.9499010273.

Adding to 1045523543 its reverse (3453255401), we get a palindrome (4498778944).

The spelling of 1045523543 in words is "one billion, forty-five million, five hundred twenty-three thousand, five hundred forty-three".