1144144045 has 32 divisors (see below), whose sum is σ = 1518652800. Its totient is φ = 820592640.

The previous prime is 1144144009. The next prime is 1144144087. The reversal of 1144144045 is 5404414411.

It is not a de Polignac number, because 1144144045 - 2¹¹ = 1144141997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547981 + ... + 2548429.

It is an arithmetic number, because the mean of its divisors is an integer number (47457900).

Almost surely, 2^1144144045 is an apocalyptic number.

It is an amenable number.

1144144045 is a deficient number, since it is larger than the sum of its proper divisors (374508755).

1144144045 is a wasteful number, since it uses less digits than its factorization.

1144144045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1144144045 is about 33825.1983734020. The cubic root of 1144144045 is about 1045.9082006407.

Adding to 1144144045 its reverse (5404414411), we get a palindrome (6548558456).

The spelling of 1144144045 in words is "one billion, one hundred forty-four million, one hundred forty-four thousand, forty-five".