102543405352 has 16 divisors (see below), whose sum is σ = 195420834900. Its totient is φ = 50431182720.

The previous prime is 102543405343. The next prime is 102543405389. The reversal of 102543405352 is 253504345201.

It can be written as a sum of positive squares in 2 ways, for example, as 69914763396 + 32628641956 = 264414^2 + 180634^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105064477 + ... + 105065452.

Almost surely, 2^102543405352 is an apocalyptic number.

It is an amenable number.

102543405352 is a deficient number, since it is larger than the sum of its proper divisors (92877429548).

102543405352 is a wasteful number, since it uses less digits than its factorization.

102543405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210129996 (or 210129992 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 102543405352 in words is "one hundred two billion, five hundred forty-three million, four hundred five thousand, three hundred fifty-two".