102415443543 has 48 divisors (see below), whose sum is σ = 174035237376. Its totient is φ = 56819568960.

The previous prime is 102415443499. The next prime is 102415443563. The reversal of 102415443543 is 345344514201.

102415443543 is a `hidden beast` number, since 1 + 0 + 2 + 41 + 544 + 35 + 43 = 666.

It is not a de Polignac number, because 102415443543 - 2²⁰ = 102414394967 is a prime.

It is a super-2 number, since 2×102415443543² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102415443498 and 102415443507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102415443563) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 339213 + ... + 565593.

It is an arithmetic number, because the mean of its divisors is an integer number (3625734112).

Almost surely, 2^102415443543 is an apocalyptic number.

102415443543 is a deficient number, since it is larger than the sum of its proper divisors (71619793833).

102415443543 is a wasteful number, since it uses less digits than its factorization.

102415443543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226604 (or 226601 counting only the distinct ones).

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

Adding to 102415443543 its reverse (345344514201), we get a palindrome (447759957744).

The spelling of 102415443543 in words is "one hundred two billion, four hundred fifteen million, four hundred forty-three thousand, five hundred forty-three".