1143104040 has 96 divisors (see below), whose sum is σ = 4000880520. Its totient is φ = 281378304.

The previous prime is 1143104033. The next prime is 1143104041. The reversal of 1143104040 is 404013411.

It can be written as a sum of positive squares in 4 ways, for example, as 440748036 + 702356004 = 20994^2 + 26502^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1143104041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117447 + ... + 126806.

Almost surely, 2^1143104040 is an apocalyptic number.

1143104040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143104040 is an abundant number, since it is smaller than the sum of its proper divisors (2857776480).

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

1143104040 is a wasteful number, since it uses less digits than its factorization.

1143104040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244283 (or 244276 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1143104040 is about 33809.8216499289. The cubic root of 1143104040 is about 1045.5912010721.

Adding to 1143104040 its reverse (404013411), we get a palindrome (1547117451).

The spelling of 1143104040 in words is "one billion, one hundred forty-three million, one hundred four thousand, forty".