63265144 has 8 divisors (see below), whose sum is σ = 118622160. Its totient is φ = 31632568.

The previous prime is 63265133. The next prime is 63265159. The reversal of 63265144 is 44156236.

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

It is a super-3 number, since 3×63265144³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3954064 + ... + 3954079.

It is an arithmetic number, because the mean of its divisors is an integer number (14827770).

Almost surely, 2^63265144 is an apocalyptic number.

It is an amenable number.

63265144 is a deficient number, since it is larger than the sum of its proper divisors (55357016).

63265144 is a wasteful number, since it uses less digits than its factorization.

63265144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908149 (or 7908145 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 63265144 is about 7953.9388984327. The cubic root of 63265144 is about 398.4631528141.

The spelling of 63265144 in words is "sixty-three million, two hundred sixty-five thousand, one hundred forty-four".