142225242 has 8 divisors (see below), whose sum is σ = 284450496. Its totient is φ = 47408412.

The previous prime is 142225229. The next prime is 142225249. The reversal of 142225242 is 242522241.

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

142225242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142225249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11852098 + ... + 11852109.

It is an arithmetic number, because the mean of its divisors is an integer number (35556312).

Almost surely, 2^142225242 is an apocalyptic number.

142225242 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.

142225242 is a wasteful number, since it uses less digits than its factorization.

142225242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23704212.

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

The square root of 142225242 is about 11925.8224873591. The cubic root of 142225242 is about 521.9860465142.

Adding to 142225242 its reverse (242522241), we get a palindrome (384747483).

The spelling of 142225242 in words is "one hundred forty-two million, two hundred twenty-five thousand, two hundred forty-two".