1141143444 has 96 divisors (see below), whose sum is σ = 3413007360. Its totient is φ = 322970976.

The previous prime is 1141143433. The next prime is 1141143463. The reversal of 1141143444 is 4443411411.

It is a super-2 number, since 2×1141143444² = 2604416719568362272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73839 + ... + 87945.

It is an arithmetic number, because the mean of its divisors is an integer number (35552160).

Almost surely, 2^1141143444 is an apocalyptic number.

1141143444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141143444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706503680).

1141143444 is an abundant number, since it is smaller than the sum of its proper divisors (2271863916).

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

1141143444 is a wasteful number, since it uses less digits than its factorization.

1141143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234 (or 14226 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1141143444 is about 33780.8147326260. The cubic root of 1141143444 is about 1044.9930767305.

Adding to 1141143444 its reverse (4443411411), we get a palindrome (5584554855).

The spelling of 1141143444 in words is "one billion, one hundred forty-one million, one hundred forty-three thousand, four hundred forty-four".