143668468 has 6 divisors (see below), whose sum is σ = 251419826. Its totient is φ = 71834232.

The previous prime is 143668451. The next prime is 143668471. The reversal of 143668468 is 864866341.

It can be written as a sum of positive squares in only one way, i.e., 135443044 + 8225424 = 11638^2 + 2868^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 17958555 + ... + 17958562.

Almost surely, 2^143668468 is an apocalyptic number.

It is an amenable number.

143668468 is a deficient number, since it is larger than the sum of its proper divisors (107751358).

143668468 is a wasteful number, since it uses less digits than its factorization.

143668468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35917121 (or 35917119 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 143668468 is about 11986.1782065844. The cubic root of 143668468 is about 523.7457199142.

The spelling of 143668468 in words is "one hundred forty-three million, six hundred sixty-eight thousand, four hundred sixty-eight".