1143340944 has 40 divisors (see below), whose sum is σ = 2961120000. Its totient is φ = 380147328.

The previous prime is 1143340943. The next prime is 1143340969. The reversal of 1143340944 is 4490433411.

It is a super-2 number, since 2×1143340944² = 2614457028453622272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143340943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10944 + ... + 49055.

It is an arithmetic number, because the mean of its divisors is an integer number (74028000).

Almost surely, 2^1143340944 is an apocalyptic number.

It is an amenable number.

1143340944 is an abundant number, since it is smaller than the sum of its proper divisors (1817779056).

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

1143340944 is a wasteful number, since it uses less digits than its factorization.

1143340944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60407 (or 60401 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1143340944 is about 33813.3249474227. The cubic root of 1143340944 is about 1045.6634276934.

The spelling of 1143340944 in words is "one billion, one hundred forty-three million, three hundred forty thousand, nine hundred forty-four".