8042143852 has 24 divisors (see below), whose sum is σ = 14109905600. Its totient is φ = 4010758416.

The previous prime is 8042143819. The next prime is 8042143859. The reversal of 8042143852 is 2583412408.

It is a happy number.

It is a super-2 number, since 2×8042143852² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8042143859) 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, 4666663 + ... + 4668385.

Almost surely, 2^8042143852 is an apocalyptic number.

It is an amenable number.

8042143852 is a deficient number, since it is larger than the sum of its proper divisors (6067761748).

8042143852 is a wasteful number, since it uses less digits than its factorization.

8042143852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 8042143852 is about 89678.0009366846. Note that the first 3 decimals coincide. The cubic root of 8042143852 is about 2003.5058386236.

The spelling of 8042143852 in words is "eight billion, forty-two million, one hundred forty-three thousand, eight hundred fifty-two".