143334666 has 36 divisors (see below), whose sum is σ = 324669618. Its totient is φ = 45697872.

The previous prime is 143334637. The next prime is 143334671. The reversal of 143334666 is 666433341.

It can be written as a sum of positive squares in only one way, i.e., 86769225 + 56565441 = 9315^2 + 7521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143334666.

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 17 ways as a sum of consecutive naturals, for example, 1996 + ... + 17048.

Almost surely, 2^143334666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143334666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162334809).

143334666 is an abundant number, since it is smaller than the sum of its proper divisors (181334952).

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

143334666 is a wasteful number, since it uses less digits than its factorization.

143334666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15107 (or 15081 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 143334666 is about 11972.2456540116. The cubic root of 143334666 is about 523.3397785008.

The spelling of 143334666 in words is "one hundred forty-three million, three hundred thirty-four thousand, six hundred sixty-six".