2004005045 has 16 divisors (see below), whose sum is σ = 2759056128. Its totient is φ = 1368821760.

The previous prime is 2004005027. The next prime is 2004005053. The reversal of 2004005045 is 5405004002.

It is a happy number.

It is not a de Polignac number, because 2004005045 - 2¹⁴ = 2003988661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102401 + ... + 120390.

It is an arithmetic number, because the mean of its divisors is an integer number (172441008).

Almost surely, 2^2004005045 is an apocalyptic number.

It is an amenable number.

2004005045 is a deficient number, since it is larger than the sum of its proper divisors (755051083).

2004005045 is a wasteful number, since it uses less digits than its factorization.

2004005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223060.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2004005045 is about 44766.1149196577. The cubic root of 2004005045 is about 1260.7614958905.

Adding to 2004005045 its reverse (5405004002), we get a palindrome (7409009047).

The spelling of 2004005045 in words is "two billion, four million, five thousand, forty-five".