1143244044 has 42 divisors (see below), whose sum is σ = 2999651060. Its totient is φ = 381080376.

The previous prime is 1143243989. The next prime is 1143244051. The reversal of 1143244044 is 4404423411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1143243999 and 1143244017.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 193114 + ... + 198945.

Almost surely, 2^1143244044 is an apocalyptic number.

It is an amenable number.

1143244044 is an abundant number, since it is smaller than the sum of its proper divisors (1856407016).

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

1143244044 is an equidigital number, since it uses as much as digits as its factorization.

1143244044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392081 (or 392064 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1143244044 is about 33811.8920499874. The cubic root of 1143244044 is about 1045.6338863015.

Adding to 1143244044 its reverse (4404423411), we get a palindrome (5547667455).

The spelling of 1143244044 in words is "one billion, one hundred forty-three million, two hundred forty-four thousand, forty-four".