142424 has 16 divisors (see below), whose sum is σ = 281400. Its totient is φ = 67392.

The previous prime is 142421. The next prime is 142427. The reversal of 142424 is 424241.

It is an interprime number because it is at equal distance from previous prime (142421) and next prime (142427).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142424.

It is not an unprimeable number, because it can be changed into a prime (142421) by changing a digit.

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, 317 + ... + 620.

2¹⁴²⁴²⁴ is an apocalyptic number.

It is an amenable number.

142424 is a deficient number, since it is larger than the sum of its proper divisors (138976).

142424 is a wasteful number, since it uses less digits than its factorization.

142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 958 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 142424 is about 377.3910438789. The cubic root of 142424 is about 52.2229089660. Note that the first 3 decimals are identical.

Adding to 142424 its reverse (424241), we get a palindrome (566665).

The spelling of 142424 in words is "one hundred forty-two thousand, four hundred twenty-four", and thus it is an iban number.