548149 has 4 divisors (see below), whose sum is σ = 626464. Its totient is φ = 469836.

The previous prime is 548143. The next prime is 548153. The reversal of 548149 is 941845.

It is a happy number.

548149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941845 = 5 ⋅188369.

It is a cyclic number.

It is not a de Polignac number, because 548149 - 2⁵ = 548117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39147 + ... + 39160.

It is an arithmetic number, because the mean of its divisors is an integer number (156616).

2⁵⁴⁸¹⁴⁹ is an apocalyptic number.

It is an amenable number.

548149 is a deficient number, since it is larger than the sum of its proper divisors (78315).

548149 is an equidigital number, since it uses as much as digits as its factorization.

548149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78314.

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

The square root of 548149 is about 740.3708530189. The cubic root of 548149 is about 81.8401108074.

The spelling of 548149 in words is "five hundred forty-eight thousand, one hundred forty-nine".