156218 has 8 divisors (see below), whose sum is σ = 246720. Its totient is φ = 73980.

The previous prime is 156217. The next prime is 156227. The reversal of 156218 is 812651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 156193 and 156202.

It is not an unprimeable number, because it can be changed into a prime (156217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (30840).

156218 is a Friedman number, since it can be written as (5^(8-1)-16)*2, using all its digits and the basic arithmetic operations.

2¹⁵⁶²¹⁸ is an apocalyptic number.

156218 is a deficient number, since it is larger than the sum of its proper divisors (90502).

156218 is a wasteful number, since it uses less digits than its factorization.

156218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132.

The product of its digits is 480, while the sum is 23.

The square root of 156218 is about 395.2442282944. The cubic root of 156218 is about 53.8571900979.

Adding to 156218 its reverse (812651), we get a palindrome (968869).

The spelling of 156218 in words is "one hundred fifty-six thousand, two hundred eighteen".