143783664 has 20 divisors (see below), whose sum is σ = 371441256. Its totient is φ = 47927872.

The previous prime is 143783663. The next prime is 143783677. The reversal of 143783664 is 466387341.

It is a happy number.

143783664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143783663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1497699 + ... + 1497794.

Almost surely, 2^143783664 is an apocalyptic number.

It is an amenable number.

143783664 is an abundant number, since it is smaller than the sum of its proper divisors (227657592).

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

143783664 is a wasteful number, since it uses less digits than its factorization.

143783664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995504 (or 2995498 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 143783664 is about 11990.9826119464. The cubic root of 143783664 is about 523.8856654766.

The spelling of 143783664 in words is "one hundred forty-three million, seven hundred eighty-three thousand, six hundred sixty-four".