2003048645 has 16 divisors (see below), whose sum is σ = 2651694192. Its totient is φ = 1443095040.

The previous prime is 2003048639. The next prime is 2003048653. The reversal of 2003048645 is 5468403002.

2003048645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1227871681 + 775176964 = 35041^2 + 27842^2 .

It is not a de Polignac number, because 2003048645 - 2⁶ = 2003048581 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, 373142 + ... + 378471.

It is an arithmetic number, because the mean of its divisors is an integer number (165730887).

Almost surely, 2^2003048645 is an apocalyptic number.

It is an amenable number.

2003048645 is a deficient number, since it is larger than the sum of its proper divisors (648645547).

2003048645 is a wasteful number, since it uses less digits than its factorization.

2003048645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751672.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2003048645 is about 44755.4314580923. The cubic root of 2003048645 is about 1260.5609002270.

The spelling of 2003048645 in words is "two billion, three million, forty-eight thousand, six hundred forty-five".