102143534242044 has 48 divisors (see below), whose sum is σ = 243340988550912. Its totient is φ = 33339951574272.

The previous prime is 102143534242021. The next prime is 102143534242069. The reversal of 102143534242044 is 440242435341201.

It is a junction number, because it is equal to n+sod(n) for n = 102143534241993 and 102143534242011.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 453665104 + ... + 453890199.

It is an arithmetic number, because the mean of its divisors is an integer number (5069603928144).

Almost surely, 2^{102143534242044} is an apocalyptic number.

It is an amenable number.

102143534242044 is an abundant number, since it is smaller than the sum of its proper divisors (141197454308868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102143534242044 is a wasteful number, since it uses less digits than its factorization.

102143534242044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907555506 (or 907555504 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 102143534242044 its reverse (440242435341201), we get a palindrome (542385969583245).

The spelling of 102143534242044 in words is "one hundred two trillion, one hundred forty-three billion, five hundred thirty-four million, two hundred forty-two thousand, forty-four".