142021443441 has 8 divisors (see below), whose sum is σ = 197595051840. Its totient is φ = 90564398672.

The previous prime is 142021443439. The next prime is 142021443461. The reversal of 142021443441 is 144344120241.

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 not a de Polignac number, because 142021443441 - 2¹ = 142021443439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142021443399 and 142021443408.

It is not an unprimeable number, because it can be changed into a prime (142021443461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029140826 + ... + 1029140963.

It is an arithmetic number, because the mean of its divisors is an integer number (24699381480).

Almost surely, 2^142021443441 is an apocalyptic number.

It is an amenable number.

142021443441 is a deficient number, since it is larger than the sum of its proper divisors (55573608399).

142021443441 is a wasteful number, since it uses less digits than its factorization.

142021443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058281815.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 142021443441 its reverse (144344120241), we get a palindrome (286365563682).

The spelling of 142021443441 in words is "one hundred forty-two billion, twenty-one million, four hundred forty-three thousand, four hundred forty-one".