102533530545 has 12 divisors (see below), whose sum is σ = 177724786356. Its totient is φ = 54684549600.

The previous prime is 102533530511. The next prime is 102533530667. The reversal of 102533530545 is 545035335201.

102533530545 is a `hidden beast` number, since 1 + 0 + 2 + 53 + 35 + 30 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13329164304 + 89204366241 = 115452^2 + 298671^2 .

It is not a de Polignac number, because 102533530545 - 2²⁰ = 102532481969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139261406 + ... + 1139261495.

It is an arithmetic number, because the mean of its divisors is an integer number (14810398863).

Almost surely, 2^102533530545 is an apocalyptic number.

102533530545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102533530545 is a deficient number, since it is larger than the sum of its proper divisors (75191255811).

102533530545 is a wasteful number, since it uses less digits than its factorization.

102533530545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278522912 (or 2278522909 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 102533530545 its reverse (545035335201), we get a palindrome (647568865746).

The spelling of 102533530545 in words is "one hundred two billion, five hundred thirty-three million, five hundred thirty thousand, five hundred forty-five".