344145242134 has 4 divisors (see below), whose sum is σ = 516217863204. Its totient is φ = 172072621066.

The previous prime is 344145242093. The next prime is 344145242137. The reversal of 344145242134 is 431242541443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 344145242093 and 344145242102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344145242137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86036310532 + ... + 86036310535.

It is an arithmetic number, because the mean of its divisors is an integer number (129054465801).

Almost surely, 2^344145242134 is an apocalyptic number.

344145242134 is a deficient number, since it is larger than the sum of its proper divisors (172072621070).

344145242134 is a wasteful number, since it uses less digits than its factorization.

344145242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172072621069.

The product of its digits is 184320, while the sum is 37.

Adding to 344145242134 its reverse (431242541443), we get a palindrome (775387783577).

The spelling of 344145242134 in words is "three hundred forty-four billion, one hundred forty-five million, two hundred forty-two thousand, one hundred thirty-four".