144209227 has 2 divisors, whose sum is σ = 144209228. Its totient is φ = 144209226.

The previous prime is 144209213. The next prime is 144209231. The reversal of 144209227 is 722902441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144209227 - 2⁷ = 144209099 is a prime.

It is not a weakly prime, because it can be changed into another prime (144209267) 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 as a sum of consecutive naturals, namely, 72104613 + 72104614.

It is an arithmetic number, because the mean of its divisors is an integer number (72104614).

Almost surely, 2^144209227 is an apocalyptic number.

144209227 is a deficient number, since it is larger than the sum of its proper divisors (1).

144209227 is an equidigital number, since it uses as much as digits as its factorization.

144209227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 144209227 is about 12008.7146273030. The cubic root of 144209227 is about 524.4020124093.

The spelling of 144209227 in words is "one hundred forty-four million, two hundred nine thousand, two hundred twenty-seven".