155016 has 24 divisors (see below), whose sum is σ = 420030. Its totient is φ = 51648.

The previous prime is 155009. The next prime is 155017. The reversal of 155016 is 610551.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 2916 = 390^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 155016.

It is not an unprimeable number, because it can be changed into a prime (155017) by changing a digit.

155016 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 5 ways as a sum of consecutive naturals, for example, 1005 + ... + 1148.

2¹⁵⁵⁰¹⁶ is an apocalyptic number.

It is an amenable number.

155016 is an abundant number, since it is smaller than the sum of its proper divisors (265014).

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

155016 is a wasteful number, since it uses less digits than its factorization.

155016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2158 counting only the distinct ones).

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

The square root of 155016 is about 393.7207131966. The cubic root of 155016 is about 53.7187018077.

Adding to 155016 its reverse (610551), we get a palindrome (765567).

Subtracting 155016 from its reverse (610551), we obtain a triangular number (455535 = T₉₅₄).

The spelling of 155016 in words is "one hundred fifty-five thousand, sixteen".