2045802449 has 8 divisors (see below), whose sum is σ = 2075669568. Its totient is φ = 2015964720.

The previous prime is 2045802439. The next prime is 2045802463. The reversal of 2045802449 is 9442085402.

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 2045802449 - 2⁸ = 2045802193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2045802439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160499 + ... + 172775.

It is an arithmetic number, because the mean of its divisors is an integer number (259458696).

Almost surely, 2^2045802449 is an apocalyptic number.

It is an amenable number.

2045802449 is a deficient number, since it is larger than the sum of its proper divisors (29867119).

2045802449 is a wasteful number, since it uses less digits than its factorization.

2045802449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14695.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 2045802449 is about 45230.5477415430. The cubic root of 2045802449 is about 1269.4664609466.

The spelling of 2045802449 in words is "two billion, forty-five million, eight hundred two thousand, four hundred forty-nine".