2005045145543 has 16 divisors (see below), whose sum is σ = 2258078454816. Its totient is φ = 1764315095040.

The previous prime is 2005045145527. The next prime is 2005045145563. The reversal of 2005045145543 is 3455415405002.

It is a cyclic number.

It is not a de Polignac number, because 2005045145543 - 2⁴ = 2005045145527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005045145497 and 2005045145506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005045145563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12684146 + ... + 12841247.

It is an arithmetic number, because the mean of its divisors is an integer number (141129903426).

Almost surely, 2^{2005045145543} is an apocalyptic number.

2005045145543 is a deficient number, since it is larger than the sum of its proper divisors (253033309273).

2005045145543 is a wasteful number, since it uses less digits than its factorization.

2005045145543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25525634.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 2005045145543 in words is "two trillion, five billion, forty-five million, one hundred forty-five thousand, five hundred forty-three".