2004145205 has 8 divisors (see below), whose sum is σ = 2440869792. Its totient is φ = 1579385808.

The previous prime is 2004145201. The next prime is 2004145207. The reversal of 2004145205 is 5025414002.

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 2004145205 - 2² = 2004145201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004145201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990927 + ... + 2991596.

It is an arithmetic number, because the mean of its divisors is an integer number (305108724).

Almost surely, 2^2004145205 is an apocalyptic number.

It is an amenable number.

2004145205 is a deficient number, since it is larger than the sum of its proper divisors (436724587).

2004145205 is an equidigital number, since it uses as much as digits as its factorization.

2004145205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982595.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2004145205 is about 44767.6803620648. The cubic root of 2004145205 is about 1260.7908877346.

Adding to 2004145205 its reverse (5025414002), we get a palindrome (7029559207).

The spelling of 2004145205 in words is "two billion, four million, one hundred forty-five thousand, two hundred five".