155168 has 24 divisors (see below), whose sum is σ = 329868. Its totient is φ = 71424.

The previous prime is 155167. The next prime is 155171. The reversal of 155168 is 861551.

It can be written as a sum of positive squares in 2 ways, for example, as 150544 + 4624 = 388^2 + 68^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (155161) 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, 230 + ... + 602.

2¹⁵⁵¹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164934).

155168 is an abundant number, since it is smaller than the sum of its proper divisors (174700).

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

155168 is a wasteful number, since it uses less digits than its factorization.

155168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 388 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 155168 is about 393.9136961315. The cubic root of 155168 is about 53.7362539213.

It can be divided in two parts, 155 and 168, that added together give a palindrome (323).

The spelling of 155168 in words is "one hundred fifty-five thousand, one hundred sixty-eight".