142768526617 has 8 divisors (see below), whose sum is σ = 143315302536. Its totient is φ = 142222357632.

The previous prime is 142768526603. The next prime is 142768526671. The reversal of 142768526617 is 716625867241.

142768526617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 58341088521 + 84427438096 = 241539^2 + 290564^2 .

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 142768526617 - 2²⁷ = 142634308889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142768523617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 322453 + ... + 624109.

It is an arithmetic number, because the mean of its divisors is an integer number (17914412817).

Almost surely, 2^142768526617 is an apocalyptic number.

It is an amenable number.

142768526617 is a deficient number, since it is larger than the sum of its proper divisors (546775919).

142768526617 is a wasteful number, since it uses less digits than its factorization.

142768526617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303467.

The product of its digits is 6773760, while the sum is 55.

The spelling of 142768526617 in words is "one hundred forty-two billion, seven hundred sixty-eight million, five hundred twenty-six thousand, six hundred seventeen".