240144 has 20 divisors (see below), whose sum is σ = 620496. Its totient is φ = 80032.

The previous prime is 240139. The next prime is 240151. The reversal of 240144 is 441042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454 + ... + 2549.

2²⁴⁰¹⁴⁴ is an apocalyptic number.

240144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240144 is an abundant number, since it is smaller than the sum of its proper divisors (380352).

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

240144 is a wasteful number, since it uses less digits than its factorization.

240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 240144 is about 490.0448959024. The cubic root of 240144 is about 62.1570765641.

Adding to 240144 its reverse (441042), we get a palindrome (681186).

The spelling of 240144 in words is "two hundred forty thousand, one hundred forty-four", and thus it is an iban number.