648156 has 12 divisors (see below), whose sum is σ = 1512392. Its totient is φ = 216048.

The previous prime is 648133. The next prime is 648173. The reversal of 648156 is 651846.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648156.

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, 26995 + ... + 27018.

2⁶⁴⁸¹⁵⁶ is an apocalyptic number.

It is an amenable number.

648156 is an abundant number, since it is smaller than the sum of its proper divisors (864236).

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

648156 is a wasteful number, since it uses less digits than its factorization.

648156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54020 (or 54018 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 648156 is about 805.0813623479. The cubic root of 648156 is about 86.5419178259.

The spelling of 648156 in words is "six hundred forty-eight thousand, one hundred fifty-six".