155548 has 12 divisors (see below), whose sum is σ = 279832. Its totient is φ = 75600.

The previous prime is 155539. The next prime is 155557. The reversal of 155548 is 845551.

It is an interprime number because it is at equal distance from previous prime (155539) and next prime (155557).

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, 378 + ... + 673.

2¹⁵⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

155548 is a deficient number, since it is larger than the sum of its proper divisors (124284).

155548 is a wasteful number, since it uses less digits than its factorization.

155548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1090 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 155548 is about 394.3957403421. The cubic root of 155548 is about 53.7800841141.

It can be divided in two parts, 155 and 548, that added together give a triangular number (703 = T₃₇).

The spelling of 155548 in words is "one hundred fifty-five thousand, five hundred forty-eight".