549148 has 24 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 255024.

The previous prime is 549139. The next prime is 549149. The reversal of 549148 is 841945.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261 + ... + 4387.

It is an arithmetic number, because the mean of its divisors is an integer number (43008).

2⁵⁴⁹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

549148 is a deficient number, since it is larger than the sum of its proper divisors (483044).

549148 is a wasteful number, since it uses less digits than its factorization.

549148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 199 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 549148 is about 741.0452077977. The cubic root of 549148 is about 81.8897984245.

The spelling of 549148 in words is "five hundred forty-nine thousand, one hundred forty-eight".