155008 has 32 divisors (see below), whose sum is σ = 354960. Its totient is φ = 66048.

The previous prime is 155003. The next prime is 155009. The reversal of 155008 is 800551.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155003) 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, 810 + ... + 982.

2¹⁵⁵⁰⁰⁸ 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 155008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177480).

155008 is an abundant number, since it is smaller than the sum of its proper divisors (199952).

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

155008 is an equidigital number, since it uses as much as digits as its factorization.

155008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 155008 is about 393.7105535797. The cubic root of 155008 is about 53.7177776945.

Adding to 155008 its reverse (800551), we get a palindrome (955559).

The spelling of 155008 in words is "one hundred fifty-five thousand, eight".