63144320 has 32 divisors (see below), whose sum is σ = 150955920. Its totient is φ = 25257472.

The previous prime is 63144313. The next prime is 63144331. The reversal of 63144320 is 2344136.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48692 + ... + 49971.

Almost surely, 2^63144320 is an apocalyptic number.

It is an amenable number.

63144320 is an abundant number, since it is smaller than the sum of its proper divisors (87811600).

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

63144320 is an equidigital number, since it uses as much as digits as its factorization.

63144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98682 (or 98670 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63144320 is about 7946.3400380301. The cubic root of 63144320 is about 398.2093290392.

Adding to 63144320 its reverse (2344136), we get a palindrome (65488456).

The spelling of 63144320 in words is "sixty-three million, one hundred forty-four thousand, three hundred twenty".