144122343545 has 4 divisors (see below), whose sum is σ = 172946812260. Its totient is φ = 115297874832.

The previous prime is 144122343523. The next prime is 144122343569. The reversal of 144122343545 is 545343221441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545343221441 = 178141 ⋅3061301.

It can be written as a sum of positive squares in 2 ways, for example, as 18273362041 + 125848981504 = 135179^2 + 354752^2 .

It is a cyclic number.

It is not a de Polignac number, because 144122343545 - 2³⁴ = 126942474361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144122343499 and 144122343508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14412234350 + ... + 14412234359.

It is an arithmetic number, because the mean of its divisors is an integer number (43236703065).

Almost surely, 2^144122343545 is an apocalyptic number.

It is an amenable number.

144122343545 is a deficient number, since it is larger than the sum of its proper divisors (28824468715).

144122343545 is an equidigital number, since it uses as much as digits as its factorization.

144122343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28824468714.

The product of its digits is 230400, while the sum is 38.

Adding to 144122343545 its reverse (545343221441), we get a palindrome (689465564986).

The spelling of 144122343545 in words is "one hundred forty-four billion, one hundred twenty-two million, three hundred forty-three thousand, five hundred forty-five".