102415543443 has 6 divisors (see below), whose sum is σ = 147933562764. Its totient is φ = 68277028956.

The previous prime is 102415543441. The next prime is 102415543463. The reversal of 102415543443 is 344345514201.

102415543443 is a `hidden beast` number, since 1 + 0 + 24 + 155 + 43 + 443 = 666.

It is not a de Polignac number, because 102415543443 - 2¹ = 102415543441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102415543398 and 102415543407.

It is not an unprimeable number, because it can be changed into a prime (102415543441) 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 5 ways as a sum of consecutive naturals, for example, 5689752405 + ... + 5689752422.

It is an arithmetic number, because the mean of its divisors is an integer number (24655593794).

Almost surely, 2^102415543443 is an apocalyptic number.

102415543443 is a deficient number, since it is larger than the sum of its proper divisors (45518019321).

102415543443 is a wasteful number, since it uses less digits than its factorization.

102415543443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379504833 (or 11379504830 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 102415543443 in words is "one hundred two billion, four hundred fifteen million, five hundred forty-three thousand, four hundred forty-three".