143664196 has 27 divisors (see below), whose sum is σ = 272831223. Its totient is φ = 66162720.

The previous prime is 143664167. The next prime is 143664253. The reversal of 143664196 is 691466341.

The square root of 143664196 is 11986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 42380100 + 101284096 = 6510^2 + 10064^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 311406 + ... + 311866.

Almost surely, 2^143664196 is an apocalyptic number.

143664196 is the 11986-th square number.

It is an amenable number.

143664196 is a deficient number, since it is larger than the sum of its proper divisors (129167027).

143664196 is an equidigital number, since it uses as much as digits as its factorization.

143664196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 476 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The cubic root of 143664196 is about 523.7405286478.

The spelling of 143664196 in words is "one hundred forty-three million, six hundred sixty-four thousand, one hundred ninety-six".