63643142 has 8 divisors (see below), whose sum is σ = 97266096. Its totient is φ = 31221112.

The previous prime is 63643117. The next prime is 63643157. The reversal of 63643142 is 24134636.

63643142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 300098 + ... + 300309.

It is an arithmetic number, because the mean of its divisors is an integer number (12158262).

Almost surely, 2^63643142 is an apocalyptic number.

63643142 is a deficient number, since it is larger than the sum of its proper divisors (33622954).

63643142 is a wasteful number, since it uses less digits than its factorization.

63643142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600462.

The product of its digits is 10368, while the sum is 29.

The square root of 63643142 is about 7977.6651972867. The cubic root of 63643142 is about 399.2551597266.

Adding to 63643142 its reverse (24134636), we get a palindrome (87777778).

The spelling of 63643142 in words is "sixty-three million, six hundred forty-three thousand, one hundred forty-two".