102443423055245 has 16 divisors (see below), whose sum is σ = 123378689352240. Its totient is φ = 81657030672384.

The previous prime is 102443423055203. The next prime is 102443423055251. The reversal of 102443423055245 is 542550324344201.

It can be written as a sum of positive squares in 8 ways, for example, as 45153700036 + 102398269355209 = 212494^2 + 10119203^2 .

It is a cyclic number.

It is not a de Polignac number, because 102443423055245 - 2³⁶ = 102374703578509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102443423055196 and 102443423055205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62301479 + ... + 63924651.

It is an arithmetic number, because the mean of its divisors is an integer number (7711168084515).

Almost surely, 2^{102443423055245} is an apocalyptic number.

It is an amenable number.

102443423055245 is a deficient number, since it is larger than the sum of its proper divisors (20935266296995).

102443423055245 is a wasteful number, since it uses less digits than its factorization.

102443423055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669024.

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 102443423055245 its reverse (542550324344201), we get a palindrome (644993747399446).

The spelling of 102443423055245 in words is "one hundred two trillion, four hundred forty-three billion, four hundred twenty-three million, fifty-five thousand, two hundred forty-five".