2045244513 has 16 divisors (see below), whose sum is σ = 2953177920. Its totient is φ = 1251576384.

The previous prime is 2045244497. The next prime is 2045244541. The reversal of 2045244513 is 3154425402.

It is not a de Polignac number, because 2045244513 - 2⁴ = 2045244497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045244013) 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 15 ways as a sum of consecutive naturals, for example, 139506 + ... + 153467.

It is an arithmetic number, because the mean of its divisors is an integer number (184573620).

Almost surely, 2^2045244513 is an apocalyptic number.

It is an amenable number.

2045244513 is a deficient number, since it is larger than the sum of its proper divisors (907933407).

2045244513 is a wasteful number, since it uses less digits than its factorization.

2045244513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293168.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2045244513 is about 45224.3796309026. The cubic root of 2045244513 is about 1269.3510465058.

Adding to 2045244513 its reverse (3154425402), we get a palindrome (5199669915).

The spelling of 2045244513 in words is "two billion, forty-five million, two hundred forty-four thousand, five hundred thirteen".