63443144 has 8 divisors (see below), whose sum is σ = 118955910. Its totient is φ = 31721568.

The previous prime is 63443137. The next prime is 63443179. The reversal of 63443144 is 44134436.

It can be written as a sum of positive squares in only one way, i.e., 34692100 + 28751044 = 5890^2 + 5362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965189 + ... + 3965204.

Almost surely, 2^63443144 is an apocalyptic number.

It is an amenable number.

63443144 is a deficient number, since it is larger than the sum of its proper divisors (55512766).

63443144 is a wasteful number, since it uses less digits than its factorization.

63443144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930399 (or 7930395 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 63443144 is about 7965.1204636214. The cubic root of 63443144 is about 398.8365022974.

The spelling of 63443144 in words is "sixty-three million, four hundred forty-three thousand, one hundred forty-four".