102144402431434 has 64 divisors (see below), whose sum is σ = 168517697477760. Its totient is φ = 46049445792000.

The previous prime is 102144402431431. The next prime is 102144402431453. The reversal of 102144402431434 is 434134204441201.

It is a junction number, because it is equal to n+sod(n) for n = 102144402431393 and 102144402431402.

It is not an unprimeable number, because it can be changed into a prime (102144402431431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5809922524 + ... + 5809940104.

It is an arithmetic number, because the mean of its divisors is an integer number (2633089023090).

Almost surely, 2^{102144402431434} is an apocalyptic number.

102144402431434 is a deficient number, since it is larger than the sum of its proper divisors (66373295046326).

102144402431434 is a wasteful number, since it uses less digits than its factorization.

102144402431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 102144402431434 its reverse (434134204441201), we get a palindrome (536278606872635).

The spelling of 102144402431434 in words is "one hundred two trillion, one hundred forty-four billion, four hundred two million, four hundred thirty-one thousand, four hundred thirty-four".