142241442 has 32 divisors (see below), whose sum is σ = 326602752. Its totient is φ = 40455504.

The previous prime is 142241417. The next prime is 142241443. The reversal of 142241442 is 244142241.

142241442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142241443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (10206336).

Almost surely, 2^142241442 is an apocalyptic number.

142241442 is an abundant number, since it is smaller than the sum of its proper divisors (184361310).

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

142241442 is a wasteful number, since it uses less digits than its factorization.

142241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15422.

The product of its digits is 2048, while the sum is 24.

The square root of 142241442 is about 11926.5016664569. The cubic root of 142241442 is about 522.0058644986.

Adding to 142241442 its reverse (244142241), we get a palindrome (386383683).

The spelling of 142241442 in words is "one hundred forty-two million, two hundred forty-one thousand, four hundred forty-two".