63385144 has 32 divisors (see below), whose sum is σ = 122791680. Its totient is φ = 30651264.

The previous prime is 63385123. The next prime is 63385193. The reversal of 63385144 is 44158336.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57769 + ... + 58855.

It is an arithmetic number, because the mean of its divisors is an integer number (3837240).

Almost surely, 2^63385144 is an apocalyptic number.

It is an amenable number.

63385144 is a deficient number, since it is larger than the sum of its proper divisors (59406536).

63385144 is a wasteful number, since it uses less digits than its factorization.

63385144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1323 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 63385144 is about 7961.4787571154. The cubic root of 63385144 is about 398.7149258825.

The spelling of 63385144 in words is "sixty-three million, three hundred eighty-five thousand, one hundred forty-four".