143013666 has 8 divisors (see below), whose sum is σ = 286027344. Its totient is φ = 47671220.

The previous prime is 143013659. The next prime is 143013679. The reversal of 143013666 is 666310341.

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

143013666 is an admirable number.

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, 11917800 + ... + 11917811.

It is an arithmetic number, because the mean of its divisors is an integer number (35753418).

Almost surely, 2^143013666 is an apocalyptic number.

143013666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143013666 is a wasteful number, since it uses less digits than its factorization.

143013666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23835616.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 143013666 is about 11958.8321336157. The cubic root of 143013666 is about 522.9488108986.

The spelling of 143013666 in words is "one hundred forty-three million, thirteen thousand, six hundred sixty-six".