549146 has 8 divisors (see below), whose sum is σ = 887124. Its totient is φ = 253440.

The previous prime is 549139. The next prime is 549149. The reversal of 549146 is 641945.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 3025 = 739^2 + 55^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×549146² = 603122658632, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549146.

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 3 ways as a sum of consecutive naturals, for example, 10535 + ... + 10586.

2⁵⁴⁹¹⁴⁶ is an apocalyptic number.

549146 is a deficient number, since it is larger than the sum of its proper divisors (337978).

549146 is a wasteful number, since it uses less digits than its factorization.

549146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136.

The product of its digits is 4320, while the sum is 29.

The square root of 549146 is about 741.0438583512. The cubic root of 549146 is about 81.8896990100.

The spelling of 549146 in words is "five hundred forty-nine thousand, one hundred forty-six".