1045424045543 has 4 divisors (see below), whose sum is σ = 1045426484088. Its totient is φ = 1045421607000.

The previous prime is 1045424045539. The next prime is 1045424045689. The reversal of 1045424045543 is 3455404245401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1045424045543 - 2² = 1045424045539 is a prime.

It is a super-2 number, since 2×1045424045543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045424045543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045424045503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386708 + ... + 1496793.

It is an arithmetic number, because the mean of its divisors is an integer number (261356621022).

Almost surely, 2^{1045424045543} is an apocalyptic number.

1045424045543 is a deficient number, since it is larger than the sum of its proper divisors (2438545).

1045424045543 is an equidigital number, since it uses as much as digits as its factorization.

1045424045543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438544.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 1045424045543 in words is "one trillion, forty-five billion, four hundred twenty-four million, forty-five thousand, five hundred forty-three".