142451321144 has 64 divisors (see below), whose sum is σ = 292855046400. Its totient is φ = 64422880000.

The previous prime is 142451321113. The next prime is 142451321191. The reversal of 142451321144 is 441123154241.

142451321144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142451321144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24227597 + ... + 24233475.

It is an arithmetic number, because the mean of its divisors is an integer number (4575860100).

Almost surely, 2^142451321144 is an apocalyptic number.

It is an amenable number.

142451321144 is an abundant number, since it is smaller than the sum of its proper divisors (150403725256).

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

142451321144 is a wasteful number, since it uses less digits than its factorization.

142451321144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244 (or 7240 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 142451321144 its reverse (441123154241), we get a palindrome (583574475385).

The spelling of 142451321144 in words is "one hundred forty-two billion, four hundred fifty-one million, three hundred twenty-one thousand, one hundred forty-four".