1103244144 has 20 divisors (see below), whose sum is σ = 2850047496. Its totient is φ = 367748032.

The previous prime is 1103244143. The next prime is 1103244167. The reversal of 1103244144 is 4414423011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103244143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11492079 + ... + 11492174.

Almost surely, 2^1103244144 is an apocalyptic number.

It is an amenable number.

1103244144 is an abundant number, since it is smaller than the sum of its proper divisors (1746803352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103244144 is a wasteful number, since it uses less digits than its factorization.

1103244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984264 (or 22984258 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1103244144 is about 33215.1192079752. The cubic root of 1103244144 is about 1033.2939271364.

Adding to 1103244144 its reverse (4414423011), we get a palindrome (5517667155).

The spelling of 1103244144 in words is "one billion, one hundred three million, two hundred forty-four thousand, one hundred forty-four".