240156 has 36 divisors (see below), whose sum is σ = 694512. Its totient is φ = 68544.

The previous prime is 240151. The next prime is 240169. The reversal of 240156 is 651042.

It is a happy number.

240156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240151) 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, 225 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (19292).

2²⁴⁰¹⁵⁶ is an apocalyptic number.

It is an amenable number.

240156 is an abundant number, since it is smaller than the sum of its proper divisors (454356).

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

240156 is a wasteful number, since it uses less digits than its factorization.

240156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 240156 is about 490.0571395256. The cubic root of 240156 is about 62.1581118770.

Adding to 240156 its reverse (651042), we get a palindrome (891198).

The spelling of 240156 in words is "two hundred forty thousand, one hundred fifty-six".