142324242 has 8 divisors (see below), whose sum is σ = 284648496. Its totient is φ = 47441412.

The previous prime is 142324241. The next prime is 142324249. The reversal of 142324242 is 242423241.

It is a sphenic number, since it is the product of 3 distinct primes.

142324242 is an admirable number.

It is a super-3 number, since 3×142324242³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142324241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11860348 + ... + 11860359.

It is an arithmetic number, because the mean of its divisors is an integer number (35581062).

Almost surely, 2^142324242 is an apocalyptic number.

142324242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142324242 is a wasteful number, since it uses less digits than its factorization.

142324242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720712.

The product of its digits is 3072, while the sum is 24.

The square root of 142324242 is about 11929.9724224325. The cubic root of 142324242 is about 522.1071329265.

Adding to 142324242 its reverse (242423241), we get a palindrome (384747483).

The spelling of 142324242 in words is "one hundred forty-two million, three hundred twenty-four thousand, two hundred forty-two".