2045241291 has 16 divisors (see below), whose sum is σ = 2745135360. Its totient is φ = 1354437600.

The previous prime is 2045241281. The next prime is 2045241323. The reversal of 2045241291 is 1921425402.

It is not a de Polignac number, because 2045241291 - 2¹¹ = 2045239243 is a prime.

It is a super-2 number, since 2×2045241291² = 8366023876822693362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2045241241) 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, 800466 + ... + 803016.

It is an arithmetic number, because the mean of its divisors is an integer number (171570960).

Almost surely, 2^2045241291 is an apocalyptic number.

2045241291 is a deficient number, since it is larger than the sum of its proper divisors (699894069).

2045241291 is a wasteful number, since it uses less digits than its factorization.

2045241291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2045241291 is about 45224.3440085094. The cubic root of 2045241291 is about 1269.3503799431.

Adding to 2045241291 its reverse (1921425402), we get a palindrome (3966666693).

The spelling of 2045241291 in words is "two billion, forty-five million, two hundred forty-one thousand, two hundred ninety-one".