102305450455 has 12 divisors (see below), whose sum is σ = 132936550920. Its totient is φ = 75548639712.

The previous prime is 102305450411. The next prime is 102305450473. The reversal of 102305450455 is 554054503201.

It is a de Polignac number, because none of the positive numbers 2^k-102305450455 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102305450455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60534925 + ... + 60536614.

It is an arithmetic number, because the mean of its divisors is an integer number (11078045910).

Almost surely, 2^102305450455 is an apocalyptic number.

102305450455 is a deficient number, since it is larger than the sum of its proper divisors (30631100465).

102305450455 is a wasteful number, since it uses less digits than its factorization.

102305450455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121071570 (or 121071557 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 102305450455 its reverse (554054503201), we get a palindrome (656359953656).

The spelling of 102305450455 in words is "one hundred two billion, three hundred five million, four hundred fifty thousand, four hundred fifty-five".