102245100543 has 24 divisors (see below), whose sum is σ = 156393666000. Its totient is φ = 64146073344.

The previous prime is 102245100533. The next prime is 102245100563. The reversal of 102245100543 is 345001542201.

102245100543 is a `hidden beast` number, since 10 + 2 + 2 + 4 + 5 + 100 + 543 = 666.

It is not a de Polignac number, because 102245100543 - 2⁴ = 102245100527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102245100533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1405633 + ... + 1476581.

It is an arithmetic number, because the mean of its divisors is an integer number (6516402750).

Almost surely, 2^102245100543 is an apocalyptic number.

102245100543 is a deficient number, since it is larger than the sum of its proper divisors (54148565457).

102245100543 is a wasteful number, since it uses less digits than its factorization.

102245100543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80391 (or 80388 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 102245100543 its reverse (345001542201), we get a palindrome (447246642744).

The spelling of 102245100543 in words is "one hundred two billion, two hundred forty-five million, one hundred thousand, five hundred forty-three".