142440555125 has 16 divisors (see below), whose sum is σ = 193926343104. Its totient is φ = 103593130000.

The previous prime is 142440555109. The next prime is 142440555143. The reversal of 142440555125 is 521555044241.

It is not a de Polignac number, because 142440555125 - 2⁴ = 142440555109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51795191 + ... + 51797940.

It is an arithmetic number, because the mean of its divisors is an integer number (12120396444).

Almost surely, 2^142440555125 is an apocalyptic number.

It is an amenable number.

142440555125 is a deficient number, since it is larger than the sum of its proper divisors (51485787979).

142440555125 is a wasteful number, since it uses less digits than its factorization.

142440555125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103593157 (or 103593147 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 142440555125 its reverse (521555044241), we get a palindrome (663995599366).

The spelling of 142440555125 in words is "one hundred forty-two billion, four hundred forty million, five hundred fifty-five thousand, one hundred twenty-five".