63145663 has 12 divisors (see below), whose sum is σ = 73646280. Its totient is φ = 53984112.

The previous prime is 63145661. The next prime is 63145669. The reversal of 63145663 is 36654136.

It is not a de Polignac number, because 63145663 - 2¹ = 63145661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20253 + ... + 23161.

It is an arithmetic number, because the mean of its divisors is an integer number (6137190).

Almost surely, 2^63145663 is an apocalyptic number.

63145663 is a deficient number, since it is larger than the sum of its proper divisors (10500617).

63145663 is a wasteful number, since it uses less digits than its factorization.

63145663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3359 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 63145663 is about 7946.4245418930. The cubic root of 63145663 is about 398.2121521558.

Adding to 63145663 its reverse (36654136), we get a palindrome (99799799).

The spelling of 63145663 in words is "sixty-three million, one hundred forty-five thousand, six hundred sixty-three".