2045042544 has 40 divisors (see below), whose sum is σ = 5288609920. Its totient is φ = 680960448.

The previous prime is 2045042543. The next prime is 2045042551. The reversal of 2045042544 is 4452405402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045042543) 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, 24387 + ... + 68445.

It is an arithmetic number, because the mean of its divisors is an integer number (132215248).

Almost surely, 2^2045042544 is an apocalyptic number.

2045042544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2045042544 is an abundant number, since it is smaller than the sum of its proper divisors (3243567376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045042544 is a wasteful number, since it uses less digits than its factorization.

2045042544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45037 (or 45031 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2045042544 is about 45222.1466098194. The cubic root of 2045042544 is about 1269.3092620966.

Adding to 2045042544 its reverse (4452405402), we get a palindrome (6497447946).

The spelling of 2045042544 in words is "two billion, forty-five million, forty-two thousand, five hundred forty-four".