102400110142 has 24 divisors (see below), whose sum is σ = 172951140096. Its totient is φ = 45410244000.

The previous prime is 102400110119. The next prime is 102400110143. The reversal of 102400110142 is 241011004201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102400110143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5150334 + ... + 5170177.

It is an arithmetic number, because the mean of its divisors is an integer number (7206297504).

Almost surely, 2^102400110142 is an apocalyptic number.

102400110142 is a deficient number, since it is larger than the sum of its proper divisors (70551029954).

102400110142 is a wasteful number, since it uses less digits than its factorization.

102400110142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320576 (or 10320565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102400110142 its reverse (241011004201), we get a palindrome (343411114343).

The spelling of 102400110142 in words is "one hundred two billion, four hundred million, one hundred ten thousand, one hundred forty-two".