1143441404 has 24 divisors (see below), whose sum is σ = 2288821248. Its totient is φ = 489630960.

The previous prime is 1143441391. The next prime is 1143441461. The reversal of 1143441404 is 4041443411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17549 + ... + 50939.

It is an arithmetic number, because the mean of its divisors is an integer number (95367552).

Almost surely, 2^1143441404 is an apocalyptic number.

1143441404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143441404 is an abundant number, since it is smaller than the sum of its proper divisors (1145379844).

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

1143441404 is a wasteful number, since it uses less digits than its factorization.

1143441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34625 (or 34623 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1143441404 is about 33814.8104238365. The cubic root of 1143441404 is about 1045.6940526416.

Adding to 1143441404 its reverse (4041443411), we get a palindrome (5184884815).

The spelling of 1143441404 in words is "one billion, one hundred forty-three million, four hundred forty-one thousand, four hundred four".