143028866 has 8 divisors (see below), whose sum is σ = 215180940. Its totient is φ = 71301888.

The previous prime is 143028863. The next prime is 143028877. The reversal of 143028866 is 668820341.

It is a happy number.

143028866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141110641 + 1918225 = 11879^2 + 1385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143028863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105431 + ... + 106778.

Almost surely, 2^143028866 is an apocalyptic number.

143028866 is a deficient number, since it is larger than the sum of its proper divisors (72152074).

143028866 is a wasteful number, since it uses less digits than its factorization.

143028866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212548.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 143028866 is about 11959.4676302919. The cubic root of 143028866 is about 522.9673371941.

The spelling of 143028866 in words is "one hundred forty-three million, twenty-eight thousand, eight hundred sixty-six".