63403144 has 16 divisors (see below), whose sum is σ = 135864000. Its totient is φ = 27172752.

The previous prime is 63403139. The next prime is 63403159. The reversal of 63403144 is 44130436.

It is a happy number.

63403144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566044 + ... + 566155.

It is an arithmetic number, because the mean of its divisors is an integer number (8491500).

Almost surely, 2^63403144 is an apocalyptic number.

It is an amenable number.

63403144 is an abundant number, since it is smaller than the sum of its proper divisors (72460856).

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

63403144 is a wasteful number, since it uses less digits than its factorization.

63403144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132212 (or 1132208 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 63403144 is about 7962.6091201314. The cubic root of 63403144 is about 398.7526644280.

The spelling of 63403144 in words is "sixty-three million, four hundred three thousand, one hundred forty-four".