2544441145 has 16 divisors (see below), whose sum is σ = 3232008000. Its totient is φ = 1917632448.

The previous prime is 2544441091. The next prime is 2544441149. The reversal of 2544441145 is 5411444452.

It is a cyclic number.

It is not a de Polignac number, because 2544441145 - 2¹¹ = 2544439097 is a prime.

It is a super-2 number, since 2×2544441145² = 12948361480737822050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2544441145.

It is not an unprimeable number, because it can be changed into a prime (2544441149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57810 + ... + 91819.

It is an arithmetic number, because the mean of its divisors is an integer number (202000500).

Almost surely, 2^2544441145 is an apocalyptic number.

It is an amenable number.

2544441145 is a deficient number, since it is larger than the sum of its proper divisors (687566855).

2544441145 is a wasteful number, since it uses less digits than its factorization.

2544441145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149832.

The product of its digits is 51200, while the sum is 34.

The square root of 2544441145 is about 50442.4537963807. The cubic root of 2544441145 is about 1365.2037417212.

Adding to 2544441145 its reverse (5411444452), we get a palindrome (7955885597).

The spelling of 2544441145 in words is "two billion, five hundred forty-four million, four hundred forty-one thousand, one hundred forty-five".