143664468 has 24 divisors (see below), whose sum is σ = 336907200. Its totient is φ = 47646720.

The previous prime is 143664461. The next prime is 143664481. The reversal of 143664468 is 864466341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143664461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27693 + ... + 32468.

It is an arithmetic number, because the mean of its divisors is an integer number (14037800).

Almost surely, 2^143664468 is an apocalyptic number.

It is an amenable number.

143664468 is an abundant number, since it is smaller than the sum of its proper divisors (193242732).

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

143664468 is a wasteful number, since it uses less digits than its factorization.

143664468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60367 (or 60365 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 143664468 is about 11986.0113465656. The cubic root of 143664468 is about 523.7408591809.

The spelling of 143664468 in words is "one hundred forty-three million, six hundred sixty-four thousand, four hundred sixty-eight".