1143178468 has 6 divisors (see below), whose sum is σ = 2000562326. Its totient is φ = 571589232.

The previous prime is 1143178457. The next prime is 1143178471. The reversal of 1143178468 is 8648713411.

It can be written as a sum of positive squares in only one way, i.e., 1092170304 + 51008164 = 33048^2 + 7142^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142897305 + ... + 142897312.

Almost surely, 2^1143178468 is an apocalyptic number.

It is an amenable number.

1143178468 is a deficient number, since it is larger than the sum of its proper divisors (857383858).

1143178468 is a wasteful number, since it uses less digits than its factorization.

1143178468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285794621 (or 285794619 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 1143178468 is about 33810.9223180912. The cubic root of 1143178468 is about 1045.6138935452.

The spelling of 1143178468 in words is "one billion, one hundred forty-three million, one hundred seventy-eight thousand, four hundred sixty-eight".