63142856 has 32 divisors (see below), whose sum is σ = 137220480. Its totient is φ = 26678400.

The previous prime is 63142853. The next prime is 63142861. The reversal of 63142856 is 65824136.

It is not an unprimeable number, because it can be changed into a prime (63142853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (4288140).

Almost surely, 2^63142856 is an apocalyptic number.

It is an amenable number.

63142856 is an abundant number, since it is smaller than the sum of its proper divisors (74077624).

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

63142856 is a wasteful number, since it uses less digits than its factorization.

63142856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15965 (or 15961 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 63142856 is about 7946.2479196159. The cubic root of 63142856 is about 398.2062515232.

The spelling of 63142856 in words is "sixty-three million, one hundred forty-two thousand, eight hundred fifty-six".