143668608 has 32 divisors (see below), whose sum is σ = 381620760. Its totient is φ = 47889408.

The previous prime is 143668589. The next prime is 143668619. The reversal of 143668608 is 806866341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 143668608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186685 + ... + 187452.

Almost surely, 2^143668608 is an apocalyptic number.

It is an amenable number.

143668608 is an abundant number, since it is smaller than the sum of its proper divisors (237952152).

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

143668608 is an equidigital number, since it uses as much as digits as its factorization.

143668608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374154 (or 374142 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 143668608 is about 11986.1840466430. The cubic root of 143668608 is about 523.7458900382.

The spelling of 143668608 in words is "one hundred forty-three million, six hundred sixty-eight thousand, six hundred eight".