142421444553046 has 8 divisors (see below), whose sum is σ = 213635161649160. Its totient is φ = 71209724003328.

The previous prime is 142421444552917. The next prime is 142421444553071. The reversal of 142421444553046 is 640355444124241.

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

It is a super-2 number, since 2×142421444553046² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498958251 + ... + 499243606.

It is an arithmetic number, because the mean of its divisors is an integer number (26704395206145).

Almost surely, 2^{142421444553046} is an apocalyptic number.

142421444553046 is a deficient number, since it is larger than the sum of its proper divisors (71213717096114).

142421444553046 is an equidigital number, since it uses as much as digits as its factorization.

142421444553046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998273198.

The product of its (nonzero) digits is 7372800, while the sum is 49.

Adding to 142421444553046 its reverse (640355444124241), we get a palindrome (782776888677287).

The spelling of 142421444553046 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred forty-four million, five hundred fifty-three thousand, forty-six".