240142 has 16 divisors (see below), whose sum is σ = 436320. Its totient is φ = 96768.

The previous prime is 240139. The next prime is 240151. The reversal of 240142 is 241042.

240142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (27270).

2²⁴⁰¹⁴² is an apocalyptic number.

240142 is a deficient number, since it is larger than the sum of its proper divisors (196178).

240142 is a wasteful number, since it uses less digits than its factorization.

240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 240142 is about 490.0428552688. The cubic root of 240142 is about 62.1569040087.

Adding to 240142 its reverse (241042), we get a palindrome (481184).

Subtracting 240142 from its reverse (241042), we obtain a square (900 = 30²).

The spelling of 240142 in words is "two hundred forty thousand, one hundred forty-two", and thus it is an iban number.