63142900 has 18 divisors (see below), whose sum is σ = 137020310. Its totient is φ = 25257120.

The previous prime is 63142873. The next prime is 63142901. The reversal of 63142900 is 924136.

It can be written as a sum of positive squares in 3 ways, for example, as 3976036 + 59166864 = 1994^2 + 7692^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63142901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315615 + ... + 315814.

Almost surely, 2^63142900 is an apocalyptic number.

It is an amenable number.

63142900 is an abundant number, since it is smaller than the sum of its proper divisors (73877410).

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

63142900 is a wasteful number, since it uses less digits than its factorization.

63142900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631443 (or 631436 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 63142900 is about 7946.2506882177. The cubic root of 63142900 is about 398.2063440175.

The spelling of 63142900 in words is "sixty-three million, one hundred forty-two thousand, nine hundred".