155025 has 36 divisors (see below), whose sum is σ = 304668. Its totient is φ = 74880.

The previous prime is 155017. The next prime is 155027. The reversal of 155025 is 520551.

155025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 7569 + 147456 = 87^2 + 384^2 .

It is not a de Polignac number, because 155025 - 2³ = 155017 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 154989 and 155007.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155025.

It is not an unprimeable number, because it can be changed into a prime (155027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2899 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (8463).

2¹⁵⁵⁰²⁵ is an apocalyptic number.

155025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155025 is a deficient number, since it is larger than the sum of its proper divisors (149643).

155025 is a wasteful number, since it uses less digits than its factorization.

155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 155025 is about 393.7321424522. The cubic root of 155025 is about 53.7197413971.

Adding to 155025 its reverse (520551), we get a palindrome (675576).

The spelling of 155025 in words is "one hundred fifty-five thousand, twenty-five".