1143472688 has 20 divisors (see below), whose sum is σ = 2227083648. Its totient is φ = 568741440.

The previous prime is 1143472667. The next prime is 1143472691. The reversal of 1143472688 is 8862743411.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184031 + ... + 190142.

Almost surely, 2^1143472688 is an apocalyptic number.

It is an amenable number.

1143472688 is a deficient number, since it is larger than the sum of its proper divisors (1083610960).

1143472688 is a wasteful number, since it uses less digits than its factorization.

1143472688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374372 (or 374366 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 1143472688 is about 33815.2729990459. The cubic root of 1143472688 is about 1045.7035891146.

The spelling of 1143472688 in words is "one billion, one hundred forty-three million, four hundred seventy-two thousand, six hundred eighty-eight".