142232242 has 8 divisors (see below), whose sum is σ = 213408000. Its totient is φ = 71096244.

The previous prime is 142232221. The next prime is 142232317. The reversal of 142232242 is 242232241.

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

It is an unprimeable number.

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, 1759 + ... + 16957.

It is an arithmetic number, because the mean of its divisors is an integer number (26676000).

Almost surely, 2^142232242 is an apocalyptic number.

142232242 is a deficient number, since it is larger than the sum of its proper divisors (71175758).

142232242 is a wasteful number, since it uses less digits than its factorization.

142232242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880.

The product of its digits is 1536, while the sum is 22.

The square root of 142232242 is about 11926.1159645544. The cubic root of 142232242 is about 521.9946100254.

Adding to 142232242 its reverse (242232241), we get a palindrome (384464483).

Subtracting 142232242 from its reverse (242232241), we obtain a palindrome (99999999).

The spelling of 142232242 in words is "one hundred forty-two million, two hundred thirty-two thousand, two hundred forty-two".