144303122 has 4 divisors (see below), whose sum is σ = 216454686. Its totient is φ = 72151560.

The previous prime is 144303121. The next prime is 144303139. The reversal of 144303122 is 221303441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221303441 = 1427 ⋅155083.

It can be written as a sum of positive squares in only one way, i.e., 139972561 + 4330561 = 11831^2 + 2081^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144303094 and 144303103.

It is not an unprimeable number, because it can be changed into a prime (144303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36075779 + ... + 36075782.

Almost surely, 2^144303122 is an apocalyptic number.

144303122 is a deficient number, since it is larger than the sum of its proper divisors (72151564).

144303122 is an equidigital number, since it uses as much as digits as its factorization.

144303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72151563.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144303122 is about 12012.6234436946. The cubic root of 144303122 is about 524.5158008849.

Adding to 144303122 its reverse (221303441), we get a palindrome (365606563).

The spelling of 144303122 in words is "one hundred forty-four million, three hundred three thousand, one hundred twenty-two".