144022417 has 12 divisors (see below), whose sum is σ = 182767536. Its totient is φ = 112224840.

The previous prime is 144022409. The next prime is 144022423. The reversal of 144022417 is 714220441.

It is not a de Polignac number, because 144022417 - 2³ = 144022409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144022391 and 144022400.

It is not an unprimeable number, because it can be changed into a prime (144022427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133063 + ... + 134140.

It is an arithmetic number, because the mean of its divisors is an integer number (15230628).

Almost surely, 2^144022417 is an apocalyptic number.

It is an amenable number.

144022417 is a deficient number, since it is larger than the sum of its proper divisors (38745119).

144022417 is a wasteful number, since it uses less digits than its factorization.

144022417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267228 (or 267221 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 144022417 is about 12000.9340053181. The cubic root of 144022417 is about 524.1754761156.

Adding to 144022417 its reverse (714220441), we get a palindrome (858242858).

The spelling of 144022417 in words is "one hundred forty-four million, twenty-two thousand, four hundred seventeen".