102243203134142 has 16 divisors (see below), whose sum is σ = 177890093301120. Its totient is φ = 43164507932568.

The previous prime is 102243203134109. The next prime is 102243203134159. The reversal of 102243203134142 is 241431302342201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102243203134099 and 102243203134108.

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, 54500640392 + ... + 54500642267.

It is an arithmetic number, because the mean of its divisors is an integer number (11118130831320).

Almost surely, 2^{102243203134142} is an apocalyptic number.

102243203134142 is a deficient number, since it is larger than the sum of its proper divisors (75646890166978).

102243203134142 is a wasteful number, since it uses less digits than its factorization.

102243203134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109001282735.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 102243203134142 its reverse (241431302342201), we get a palindrome (343674505476343).

The spelling of 102243203134142 in words is "one hundred two trillion, two hundred forty-three billion, two hundred three million, one hundred thirty-four thousand, one hundred forty-two".