549154 has 16 divisors (see below), whose sum is σ = 871416. Its totient is φ = 259200.

The previous prime is 549149. The next prime is 549161. The reversal of 549154 is 451945.

It can be written as a sum of positive squares in 4 ways, for example, as 273529 + 275625 = 523^2 + 525^2 .

It is an unprimeable number.

549154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944 + ... + 3124.

2⁵⁴⁹¹⁵⁴ is an apocalyptic number.

549154 is a deficient number, since it is larger than the sum of its proper divisors (322262).

549154 is a wasteful number, since it uses less digits than its factorization.

549154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its digits is 3600, while the sum is 28.

The square root of 549154 is about 741.0492561227. The cubic root of 549154 is about 81.8900966665.

It can be divided in two parts, 549 and 154, that added together give a triangular number (703 = T₃₇).

The spelling of 549154 in words is "five hundred forty-nine thousand, one hundred fifty-four".