1102144544 has 96 divisors (see below), whose sum is σ = 2439642240. Its totient is φ = 487370752.

The previous prime is 1102144531. The next prime is 1102144559. The reversal of 1102144544 is 4454412011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737462 + ... + 738954.

It is an arithmetic number, because the mean of its divisors is an integer number (25412940).

Almost surely, 2^1102144544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102144544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219821120).

1102144544 is an abundant number, since it is smaller than the sum of its proper divisors (1337497696).

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

1102144544 is a wasteful number, since it uses less digits than its factorization.

1102144544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1102144544 is about 33198.5623785127. The cubic root of 1102144544 is about 1032.9505194077.

Adding to 1102144544 its reverse (4454412011), we get a palindrome (5556556555).

The spelling of 1102144544 in words is "one billion, one hundred two million, one hundred forty-four thousand, five hundred forty-four".