240147 has 6 divisors (see below), whose sum is σ = 346892. Its totient is φ = 160092.

The previous prime is 240139. The next prime is 240151. The reversal of 240147 is 741042.

It is a happy number.

240147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240147 - 2³ = 240139 is a prime.

It is a Duffinian number.

240147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (240197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13333 + ... + 13350.

2²⁴⁰¹⁴⁷ is an apocalyptic number.

240147 is a deficient number, since it is larger than the sum of its proper divisors (106745).

240147 is a wasteful number, since it uses less digits than its factorization.

240147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26689 (or 26686 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 240147 is about 490.0479568369. The cubic root of 240147 is about 62.1573353956.

Adding to 240147 its reverse (741042), we get a palindrome (981189).

The spelling of 240147 in words is "two hundred forty thousand, one hundred forty-seven", and thus it is an iban number.