1144055386 has 16 divisors (see below), whose sum is σ = 1725769800. Its totient is φ = 568807488.

The previous prime is 1144055383. The next prime is 1144055387. The reversal of 1144055386 is 6835504411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65918161 + 1078137225 = 8119^2 + 32835^2 .

It is not an unprimeable number, because it can be changed into a prime (1144055383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328060 + ... + 331528.

Almost surely, 2^1144055386 is an apocalyptic number.

1144055386 is a deficient number, since it is larger than the sum of its proper divisors (581714414).

1144055386 is a wasteful number, since it uses less digits than its factorization.

1144055386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1144055386 is about 33823.8878013749. The cubic root of 1144055386 is about 1045.8811843540.

Adding to 1144055386 its reverse (6835504411), we get a palindrome (7979559797).

The spelling of 1144055386 in words is "one billion, one hundred forty-four million, fifty-five thousand, three hundred eighty-six".