1143045040 has 20 divisors (see below), whose sum is σ = 2657579904. Its totient is φ = 457217984.

The previous prime is 1143045037. The next prime is 1143045061. The reversal of 1143045040 is 405403411.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143952 + ... + 7144111.

Almost surely, 2^1143045040 is an apocalyptic number.

1143045040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143045040 is an abundant number, since it is smaller than the sum of its proper divisors (1514534864).

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

1143045040 is a wasteful number, since it uses less digits than its factorization.

1143045040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288076 (or 14288070 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1143045040 is about 33808.9491111451. The cubic root of 1143045040 is about 1045.5732117669.

Adding to 1143045040 its reverse (405403411), we get a palindrome (1548448451).

The spelling of 1143045040 in words is "one billion, one hundred forty-three million, forty-five thousand, forty".