144444122 has 4 divisors (see below), whose sum is σ = 216666186. Its totient is φ = 72222060.

The previous prime is 144444109. The next prime is 144444149. The reversal of 144444122 is 221444441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221444441 = 53 ⋅4178197.

It can be written as a sum of positive squares in only one way, i.e., 98624761 + 45819361 = 9931^2 + 6769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144444091 and 144444100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36111029 + ... + 36111032.

Almost surely, 2^144444122 is an apocalyptic number.

144444122 is a deficient number, since it is larger than the sum of its proper divisors (72222064).

144444122 is an equidigital number, since it uses as much as digits as its factorization.

144444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72222063.

The product of its digits is 4096, while the sum is 26.

The square root of 144444122 is about 12018.4908370394. The cubic root of 144444122 is about 524.6865817893.

Adding to 144444122 its reverse (221444441), we get a palindrome (365888563).

The spelling of 144444122 in words is "one hundred forty-four million, four hundred forty-four thousand, one hundred twenty-two".