1440103144 has 16 divisors (see below), whose sum is σ = 2700998820. Its totient is φ = 719836800.

The previous prime is 1440103129. The next prime is 1440103169. The reversal of 1440103144 is 4413010441.

It can be written as a sum of positive squares in 2 ways, for example, as 1315512900 + 124590244 = 36270^2 + 11162^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3694 + ... + 53794.

Almost surely, 2^1440103144 is an apocalyptic number.

It is an amenable number.

1440103144 is a deficient number, since it is larger than the sum of its proper divisors (1260895676).

1440103144 is a wasteful number, since it uses less digits than its factorization.

1440103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53700 (or 53696 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1440103144 is about 37948.6909392142. The cubic root of 1440103144 is about 1129.2701957413.

Adding to 1440103144 its reverse (4413010441), we get a palindrome (5853113585).

The spelling of 1440103144 in words is "one billion, four hundred forty million, one hundred three thousand, one hundred forty-four".