63145255 has 4 divisors (see below), whose sum is σ = 75774312. Its totient is φ = 50516200.

The previous prime is 63145249. The next prime is 63145297. The reversal of 63145255 is 55254136.

63145255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63145255 - 2⁵ = 63145223 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 6314521 + ... + 6314530.

It is an arithmetic number, because the mean of its divisors is an integer number (18943578).

Almost surely, 2^63145255 is an apocalyptic number.

63145255 is a deficient number, since it is larger than the sum of its proper divisors (12629057).

63145255 is a wasteful number, since it uses less digits than its factorization.

63145255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12629056.

The product of its digits is 18000, while the sum is 31.

The square root of 63145255 is about 7946.3988699284. The cubic root of 63145255 is about 398.2112945043.

The spelling of 63145255 in words is "sixty-three million, one hundred forty-five thousand, two hundred fifty-five".