142121454344 has 16 divisors (see below), whose sum is σ = 267872901120. Its totient is φ = 70688680720.

The previous prime is 142121454323. The next prime is 142121454353. The reversal of 142121454344 is 443454121241.

142121454344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46504184 + ... + 46507239.

It is an arithmetic number, because the mean of its divisors is an integer number (16742056320).

Almost surely, 2^142121454344 is an apocalyptic number.

It is an amenable number.

142121454344 is a deficient number, since it is larger than the sum of its proper divisors (125751446776).

142121454344 is a wasteful number, since it uses less digits than its factorization.

142121454344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93011620 (or 93011616 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

Adding to 142121454344 its reverse (443454121241), we get a palindrome (585575575585).

The spelling of 142121454344 in words is "one hundred forty-two billion, one hundred twenty-one million, four hundred fifty-four thousand, three hundred forty-four".