648141172 has 12 divisors (see below), whose sum is σ = 1296282400. Its totient is φ = 277774776.

The previous prime is 648141157. The next prime is 648141217. The reversal of 648141172 is 271141846.

It is a happy number.

648141172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

648141172 is an admirable number.

It is a super-3 number, since 3×648141172³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11573922 + ... + 11573977.

Almost surely, 2^648141172 is an apocalyptic number.

It is an amenable number.

648141172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

648141172 is a wasteful number, since it uses less digits than its factorization.

648141172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23147910 (or 23147908 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 648141172 is about 25458.6168516673. The cubic root of 648141172 is about 865.4125787500.

The spelling of 648141172 in words is "six hundred forty-eight million, one hundred forty-one thousand, one hundred seventy-two".