142504242 has 32 divisors (see below), whose sum is σ = 296866944. Its totient is φ = 45561600.

The previous prime is 142504223. The next prime is 142504259. The reversal of 142504242 is 242405241.

It is a happy number.

142504242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11242 + ... + 20282.

It is an arithmetic number, because the mean of its divisors is an integer number (9277092).

Almost surely, 2^142504242 is an apocalyptic number.

142504242 is an abundant number, since it is smaller than the sum of its proper divisors (154362702).

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

142504242 is a wasteful number, since it uses less digits than its factorization.

142504242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 142504242 is about 11937.5140628189. The cubic root of 142504242 is about 522.3271462598.

Adding to 142504242 its reverse (242405241), we get a palindrome (384909483).

Subtracting 142504242 from its reverse (242405241), we obtain a palindrome (99900999).

The spelling of 142504242 in words is "one hundred forty-two million, five hundred four thousand, two hundred forty-two".