142104242 has 8 divisors (see below), whose sum is σ = 243607296. Its totient is φ = 60901812.

The previous prime is 142104233. The next prime is 142104247. The reversal of 142104242 is 242401241.

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

It is not an unprimeable number, because it can be changed into a prime (142104247) 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, 5075138 + ... + 5075165.

It is an arithmetic number, because the mean of its divisors is an integer number (30450912).

Almost surely, 2^142104242 is an apocalyptic number.

142104242 is a deficient number, since it is larger than the sum of its proper divisors (101503054).

142104242 is a wasteful number, since it uses less digits than its factorization.

142104242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150312.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142104242 is about 11920.7483825471. The cubic root of 142104242 is about 521.8379756778.

Adding to 142104242 its reverse (242401241), we get a palindrome (384505483).

The spelling of 142104242 in words is "one hundred forty-two million, one hundred four thousand, two hundred forty-two".