2004145544 has 16 divisors (see below), whose sum is σ = 3763366620. Its totient is φ = 1000581120.

The previous prime is 2004145531. The next prime is 2004145547. The reversal of 2004145544 is 4455414002.

It can be written as a sum of positive squares in 2 ways, for example, as 2001488644 + 2656900 = 44738^2 + 1630^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180737 + ... + 191504.

Almost surely, 2^2004145544 is an apocalyptic number.

It is an amenable number.

2004145544 is a deficient number, since it is larger than the sum of its proper divisors (1759221076).

2004145544 is a wasteful number, since it uses less digits than its factorization.

2004145544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372920 (or 372916 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2004145544 is about 44767.6841482782. The cubic root of 2004145544 is about 1260.7909588220.

Adding to 2004145544 its reverse (4455414002), we get a palindrome (6459559546).

The spelling of 2004145544 in words is "two billion, four million, one hundred forty-five thousand, five hundred forty-four".