63045444 has 144 divisors (see below), whose sum is σ = 192181248. Its totient is φ = 15624000.

The previous prime is 63045443. The next prime is 63045457. The reversal of 63045444 is 44454036.

It is not an unprimeable number, because it can be changed into a prime (63045443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 887929 + ... + 887999.

It is an arithmetic number, because the mean of its divisors is an integer number (1334592).

Almost surely, 2^63045444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63045444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96090624).

63045444 is an abundant number, since it is smaller than the sum of its proper divisors (129135804).

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

63045444 is a wasteful number, since it uses less digits than its factorization.

63045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 63045444 is about 7940.1161200577. The cubic root of 63045444 is about 398.0013720145.

The spelling of 63045444 in words is "sixty-three million, forty-five thousand, four hundred forty-four".