1144331100 has 108 divisors (see below), whose sum is σ = 3912952680. Its totient is φ = 277411200.

The previous prime is 1144331099. The next prime is 1144331119. The reversal of 1144331100 is 11334411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47895 + ... + 67694.

Almost surely, 2^1144331100 is an apocalyptic number.

1144331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144331100 is an abundant number, since it is smaller than the sum of its proper divisors (2768621580).

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

1144331100 is a wasteful number, since it uses less digits than its factorization.

1144331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115620 (or 115610 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1144331100 is about 33827.9632848329. The cubic root of 1144331100 is about 1045.9651957071.

Adding to 1144331100 its reverse (11334411), we get a palindrome (1155665511).

The spelling of 1144331100 in words is "one billion, one hundred forty-four million, three hundred thirty-one thousand, one hundred".