142618 has 16 divisors (see below), whose sum is σ = 249984. Its totient is φ = 59760.

The previous prime is 142609. The next prime is 142619. The reversal of 142618 is 816241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142619) by changing a digit.

142618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2¹⁴²⁶¹⁸ is an apocalyptic number.

142618 is a deficient number, since it is larger than the sum of its proper divisors (107366).

142618 is a wasteful number, since it uses less digits than its factorization.

142618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its digits is 384, while the sum is 22.

The square root of 142618 is about 377.6479842393. The cubic root of 142618 is about 52.2466096714.

Adding to 142618 its reverse (816241), we get a palindrome (958859).

It can be divided in two parts, 1426 and 18, that added together give a square (1444 = 38²).

The spelling of 142618 in words is "one hundred forty-two thousand, six hundred eighteen".