648148 has 12 divisors (see below), whose sum is σ = 1171072. Its totient is φ = 313560.

The previous prime is 648133. The next prime is 648173. The reversal of 648148 is 841846.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490 + ... + 2737.

2⁶⁴⁸¹⁴⁸ is an apocalyptic number.

It is an amenable number.

648148 is a deficient number, since it is larger than the sum of its proper divisors (522924).

648148 is a wasteful number, since it uses less digits than its factorization.

648148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262 (or 5260 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 648148 is about 805.0763938907. The cubic root of 648148 is about 86.5415617705.

The spelling of 648148 in words is "six hundred forty-eight thousand, one hundred forty-eight".