144643568 has 10 divisors (see below), whose sum is σ = 280246944. Its totient is φ = 72321776.

The previous prime is 144643547. The next prime is 144643571. The reversal of 144643568 is 865346441.

It is a happy number.

144643568 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520096 + ... + 4520127.

Almost surely, 2^144643568 is an apocalyptic number.

It is an amenable number.

144643568 is a deficient number, since it is larger than the sum of its proper divisors (135603376).

144643568 is an equidigital number, since it uses as much as digits as its factorization.

144643568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040231 (or 9040225 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 144643568 is about 12026.7854391770. The cubic root of 144643568 is about 524.9279635100.

The spelling of 144643568 in words is "one hundred forty-four million, six hundred forty-three thousand, five hundred sixty-eight".