144422121 has 8 divisors (see below), whose sum is σ = 192678304. Its totient is φ = 96223680.

The previous prime is 144422107. The next prime is 144422141. The reversal of 144422121 is 121224441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144422121 - 2⁹ = 144421609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144422141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8215 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (24084788).

Almost surely, 2^144422121 is an apocalyptic number.

It is an amenable number.

144422121 is a deficient number, since it is larger than the sum of its proper divisors (48256183).

144422121 is a wasteful number, since it uses less digits than its factorization.

144422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28871.

The product of its digits is 512, while the sum is 21.

The square root of 144422121 is about 12017.5755042355. The cubic root of 144422121 is about 524.6599412322.

Adding to 144422121 its reverse (121224441), we get a palindrome (265646562).

The spelling of 144422121 in words is "one hundred forty-four million, four hundred twenty-two thousand, one hundred twenty-one".