143668808 has 8 divisors (see below), whose sum is σ = 269379030. Its totient is φ = 71834400.

The previous prime is 143668771. The next prime is 143668841. The reversal of 143668808 is 808866341.

It can be written as a sum of positive squares in only one way, i.e., 125843524 + 17825284 = 11218^2 + 4222^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8979293 + ... + 8979308.

Almost surely, 2^143668808 is an apocalyptic number.

It is an amenable number.

143668808 is a deficient number, since it is larger than the sum of its proper divisors (125710222).

143668808 is a wasteful number, since it uses less digits than its factorization.

143668808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958607 (or 17958603 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 143668808 is about 11986.1923895789. The cubic root of 143668808 is about 523.7461330724.

The spelling of 143668808 in words is "one hundred forty-three million, six hundred sixty-eight thousand, eight hundred eight".