2045004001 has 16 divisors (see below), whose sum is σ = 2251307520. Its totient is φ = 1849155840.

The previous prime is 2045003929. The next prime is 2045004041. The reversal of 2045004001 is 1004005402.

It is a cyclic number.

It is not a de Polignac number, because 2045004001 - 2¹¹ = 2045001953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045004041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59295 + ... + 87211.

It is an arithmetic number, because the mean of its divisors is an integer number (140706720).

Almost surely, 2^2045004001 is an apocalyptic number.

It is an amenable number.

2045004001 is a deficient number, since it is larger than the sum of its proper divisors (206303519).

2045004001 is a wasteful number, since it uses less digits than its factorization.

2045004001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28104.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2045004001 is about 45221.7204559933. The cubic root of 2045004001 is about 1269.3012878054.

Adding to 2045004001 its reverse (1004005402), we get a palindrome (3049009403).

The spelling of 2045004001 in words is "two billion, forty-five million, four thousand, one".