142404220441 has 8 divisors (see below), whose sum is σ = 164327755904. Its totient is φ = 120875703840.

The previous prime is 142404220421. The next prime is 142404220463. The reversal of 142404220441 is 144022404241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142404220441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142404220421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98753940 + ... + 98755381.

It is an arithmetic number, because the mean of its divisors is an integer number (20540969488).

Almost surely, 2^142404220441 is an apocalyptic number.

It is an amenable number.

142404220441 is a deficient number, since it is larger than the sum of its proper divisors (21923535463).

142404220441 is a wasteful number, since it uses less digits than its factorization.

142404220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197509431.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 142404220441 its reverse (144022404241), we get a palindrome (286426624682).

The spelling of 142404220441 in words is "one hundred forty-two billion, four hundred four million, two hundred twenty thousand, four hundred forty-one".