144442122 has 32 divisors (see below), whose sum is σ = 315615744. Its totient is φ = 43705200.

The previous prime is 144442121. The next prime is 144442147. The reversal of 144442122 is 221244441.

It is a junction number, because it is equal to n+sod(n) for n = 144442092 and 144442101.

It is not an unprimeable number, because it can be changed into a prime (144442121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61347 + ... + 63657.

It is an arithmetic number, because the mean of its divisors is an integer number (9862992).

Almost surely, 2^144442122 is an apocalyptic number.

144442122 is an abundant number, since it is smaller than the sum of its proper divisors (171173622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144442122 is a wasteful number, since it uses less digits than its factorization.

144442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274.

The product of its digits is 2048, while the sum is 24.

The square root of 144442122 is about 12018.4076316291. The cubic root of 144442122 is about 524.6841601423.

Adding to 144442122 its reverse (221244441), we get a palindrome (365686563).

The spelling of 144442122 in words is "one hundred forty-four million, four hundred forty-two thousand, one hundred twenty-two".