102868865545 has 8 divisors (see below), whose sum is σ = 125466288840. Its totient is φ = 80945992320.

The previous prime is 102868865543. The next prime is 102868865551. The reversal of 102868865545 is 545568868201.

It can be written as a sum of positive squares in 4 ways, for example, as 303038464 + 102565827081 = 17408^2 + 320259^2 .

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

It is not a de Polignac number, because 102868865545 - 2¹ = 102868865543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102868865545.

It is not an unprimeable number, because it can be changed into a prime (102868865543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168637180 + ... + 168637789.

It is an arithmetic number, because the mean of its divisors is an integer number (15683286105).

Almost surely, 2^102868865545 is an apocalyptic number.

It is an amenable number.

102868865545 is a deficient number, since it is larger than the sum of its proper divisors (22597423295).

102868865545 is an equidigital number, since it uses as much as digits as its factorization.

102868865545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337275035.

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 102868865545 in words is "one hundred two billion, eight hundred sixty-eight million, eight hundred sixty-five thousand, five hundred forty-five".