155106 has 24 divisors (see below), whose sum is σ = 384384. Its totient is φ = 44280.

The previous prime is 155087. The next prime is 155119. The reversal of 155106 is 601551.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (16016).

2¹⁵⁵¹⁰⁶ is an apocalyptic number.

155106 is an abundant number, since it is smaller than the sum of its proper divisors (229278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155106 is a wasteful number, since it uses less digits than its factorization.

155106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 155106 is about 393.8349908274. The cubic root of 155106 is about 53.7290958914.

Adding to 155106 its reverse (601551), we get a palindrome (756657).

The spelling of 155106 in words is "one hundred fifty-five thousand, one hundred six".