152181 has 12 divisors (see below), whose sum is σ = 226252. Its totient is φ = 98496.

The previous prime is 152147. The next prime is 152183. The reversal of 152181 is 181251.

152181 = 36³ + 37³ + 38³.

152181 is nontrivially palindromic in base 6.

152181 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 2 ways, for example, as 133956 + 18225 = 366^2 + 135^2 .

It is not a de Polignac number, because 152181 - 2¹⁰ = 151157 is a prime.

It is a super-2 number, since 2×152181² = 46318113522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

152181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105 + ... + 561.

2¹⁵²¹⁸¹ is an apocalyptic number.

It is an amenable number.

152181 is a deficient number, since it is larger than the sum of its proper divisors (74071).

152181 is a wasteful number, since it uses less digits than its factorization.

152181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 152181 is about 390.1038323319. The cubic root of 152181 is about 53.3892079357.

It can be divided in two parts, 1521 and 81, that multiplied together give a square (123201 = 351²).

The spelling of 152181 in words is "one hundred fifty-two thousand, one hundred eighty-one".