1244351144 has 16 divisors (see below), whose sum is σ = 2396217300. Its totient is φ = 605359872.

The previous prime is 1244351131. The next prime is 1244351149. The reversal of 1244351144 is 4411534421.

It can be written as a sum of positive squares in 2 ways, for example, as 1234679044 + 9672100 = 35138^2 + 3110^2 .

It is not an unprimeable number, because it can be changed into a prime (1244351149) 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 3 ways as a sum of consecutive naturals, for example, 2101649 + ... + 2102240.

Almost surely, 2^1244351144 is an apocalyptic number.

It is an amenable number.

1244351144 is a deficient number, since it is larger than the sum of its proper divisors (1151866156).

1244351144 is a wasteful number, since it uses less digits than its factorization.

1244351144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203932 (or 4203928 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1244351144 is about 35275.3617132412. The cubic root of 1244351144 is about 1075.5922156761.

Adding to 1244351144 its reverse (4411534421), we get a palindrome (5655885565).

The spelling of 1244351144 in words is "one billion, two hundred forty-four million, three hundred fifty-one thousand, one hundred forty-four".