63145956 has 24 divisors (see below), whose sum is σ = 156008160. Its totient is φ = 19810432.

The previous prime is 63145931. The next prime is 63145961. The reversal of 63145956 is 65954136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154566 + ... + 154973.

It is an arithmetic number, because the mean of its divisors is an integer number (6500340).

Almost surely, 2^63145956 is an apocalyptic number.

It is an amenable number.

63145956 is an abundant number, since it is smaller than the sum of its proper divisors (92862204).

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

63145956 is a wasteful number, since it uses less digits than its factorization.

63145956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309563 (or 309561 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 63145956 is about 7946.4429778361. The cubic root of 63145956 is about 398.2127680650.

The spelling of 63145956 in words is "sixty-three million, one hundred forty-five thousand, nine hundred fifty-six".