1143517412 has 12 divisors (see below), whose sum is σ = 2055241020. Its totient is φ = 556305696.

The previous prime is 1143517373. The next prime is 1143517421. The reversal of 1143517412 is 2147153411.

It can be written as a sum of positive squares in 2 ways, for example, as 716847076 + 426670336 = 26774^2 + 20656^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 3863087 + ... + 3863382.

It is an arithmetic number, because the mean of its divisors is an integer number (171270085).

Almost surely, 2^1143517412 is an apocalyptic number.

It is an amenable number.

1143517412 is a deficient number, since it is larger than the sum of its proper divisors (911723608).

1143517412 is a wasteful number, since it uses less digits than its factorization.

1143517412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726510 (or 7726508 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 1143517412 is about 33815.9342913958. The cubic root of 1143517412 is about 1045.7172222744.

The spelling of 1143517412 in words is "one billion, one hundred forty-three million, five hundred seventeen thousand, four hundred twelve".