2005448159 has 16 divisors (see below), whose sum is σ = 2369243520. Its totient is φ = 1673470560.

The previous prime is 2005448117. The next prime is 2005448161. The reversal of 2005448159 is 9518445002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005448159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005448759) 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, 13577 + ... + 64770.

It is an arithmetic number, because the mean of its divisors is an integer number (148077720).

Almost surely, 2^2005448159 is an apocalyptic number.

2005448159 is a deficient number, since it is larger than the sum of its proper divisors (363795361).

2005448159 is a wasteful number, since it uses less digits than its factorization.

2005448159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78550.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2005448159 is about 44782.2303933156. The cubic root of 2005448159 is about 1261.0640543452.

The spelling of 2005448159 in words is "two billion, five million, four hundred forty-eight thousand, one hundred fifty-nine".