63148815 has 40 divisors (see below), whose sum is σ = 115991568. Its totient is φ = 32849280.

The previous prime is 63148763. The next prime is 63148817. The reversal of 63148815 is 51884136.

63148815 is a `hidden beast` number, since 631 + 4 + 8 + 8 + 15 = 666.

It is not a de Polignac number, because 63148815 - 2⁹ = 63148303 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63148815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63148817) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14704 + ... + 18506.

Almost surely, 2^63148815 is an apocalyptic number.

63148815 is a deficient number, since it is larger than the sum of its proper divisors (52842753).

63148815 is a wasteful number, since it uses less digits than its factorization.

63148815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861 (or 3852 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 63148815 is about 7946.6228676086. The cubic root of 63148815 is about 398.2187778091.

It can be divided in two parts, 6314 and 8815, that added together give a square (15129 = 123²).

The spelling of 63148815 in words is "sixty-three million, one hundred forty-eight thousand, eight hundred fifteen".