1103243144 has 32 divisors (see below), whose sum is σ = 2086695000. Its totient is φ = 546811392.

The previous prime is 1103243123. The next prime is 1103243149. The reversal of 1103243144 is 4413423011.

It can be written as a sum of positive squares in 4 ways, for example, as 1032851044 + 70392100 = 32138^2 + 8390^2 .

It is not an unprimeable number, because it can be changed into a prime (1103243149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 565082 + ... + 567030.

Almost surely, 2^1103243144 is an apocalyptic number.

It is an amenable number.

1103243144 is a deficient number, since it is larger than the sum of its proper divisors (983451856).

1103243144 is a wasteful number, since it uses less digits than its factorization.

1103243144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1103243144 is about 33215.1041545861. The cubic root of 1103243144 is about 1033.2936149377.

Adding to 1103243144 its reverse (4413423011), we get a palindrome (5516666155).

The spelling of 1103243144 in words is "one billion, one hundred three million, two hundred forty-three thousand, one hundred forty-four".