102243152305 has 24 divisors (see below), whose sum is σ = 143520491520. Its totient is φ = 69717886560.

The previous prime is 102243152303. The next prime is 102243152353. The reversal of 102243152305 is 503251342201.

It is not a de Polignac number, because 102243152305 - 2¹ = 102243152303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102243152303) 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, 1121841 + ... + 1209550.

It is an arithmetic number, because the mean of its divisors is an integer number (5980020480).

Almost surely, 2^102243152305 is an apocalyptic number.

It is an amenable number.

102243152305 is a deficient number, since it is larger than the sum of its proper divisors (41277339215).

102243152305 is a wasteful number, since it uses less digits than its factorization.

102243152305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331589 (or 2331582 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 102243152305 its reverse (503251342201), we get a palindrome (605494494506).

The spelling of 102243152305 in words is "one hundred two billion, two hundred forty-three million, one hundred fifty-two thousand, three hundred five".