102243242405 has 8 divisors (see below), whose sum is σ = 123574567200. Its totient is φ = 81206143056.

The previous prime is 102243242399. The next prime is 102243242447. The reversal of 102243242405 is 504242342201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102243242405 - 2¹⁰ = 102243241381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73555595 + ... + 73556984.

It is an arithmetic number, because the mean of its divisors is an integer number (15446820900).

Almost surely, 2^102243242405 is an apocalyptic number.

It is an amenable number.

102243242405 is a deficient number, since it is larger than the sum of its proper divisors (21331324795).

102243242405 is a wasteful number, since it uses less digits than its factorization.

102243242405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147112723.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 102243242405 its reverse (504242342201), we get a palindrome (606485584606).

The spelling of 102243242405 in words is "one hundred two billion, two hundred forty-three million, two hundred forty-two thousand, four hundred five".