144406417 has 2 divisors, whose sum is σ = 144406418. Its totient is φ = 144406416.

The previous prime is 144406411. The next prime is 144406433. The reversal of 144406417 is 714604441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 3651921 = 11864^2 + 1911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144406417 is a prime.

It is not a weakly prime, because it can be changed into another prime (144406411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72203208 + 72203209.

It is an arithmetic number, because the mean of its divisors is an integer number (72203209).

Almost surely, 2^144406417 is an apocalyptic number.

It is an amenable number.

144406417 is a deficient number, since it is larger than the sum of its proper divisors (1).

144406417 is an equidigital number, since it uses as much as digits as its factorization.

144406417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 144406417 is about 12016.9221100913. The cubic root of 144406417 is about 524.6409239277.

The spelling of 144406417 in words is "one hundred forty-four million, four hundred six thousand, four hundred seventeen".