2004145543 has 8 divisors (see below), whose sum is σ = 2073779280. Its totient is φ = 1934546880.

The previous prime is 2004145531. The next prime is 2004145547. The reversal of 2004145543 is 3455414002.

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-2004145543 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 (2004145547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168571 + ... + 180067.

It is an arithmetic number, because the mean of its divisors is an integer number (259222410).

Almost surely, 2^2004145543 is an apocalyptic number.

2004145543 is a deficient number, since it is larger than the sum of its proper divisors (69633737).

2004145543 is a wasteful number, since it uses less digits than its factorization.

2004145543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17537.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2004145543 is about 44767.6841371094. The cubic root of 2004145543 is about 1260.7909586123.

Adding to 2004145543 its reverse (3455414002), we get a palindrome (5459559545).

The spelling of 2004145543 in words is "two billion, four million, one hundred forty-five thousand, five hundred forty-three".