144269227 has 2 divisors, whose sum is σ = 144269228. Its totient is φ = 144269226.

The previous prime is 144269197. The next prime is 144269303. The reversal of 144269227 is 722962441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144269227 is a prime.

It is not a weakly prime, because it can be changed into another prime (144209227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72134613 + 72134614.

It is an arithmetic number, because the mean of its divisors is an integer number (72134614).

Almost surely, 2^144269227 is an apocalyptic number.

144269227 is a deficient number, since it is larger than the sum of its proper divisors (1).

144269227 is an equidigital number, since it uses as much as digits as its factorization.

144269227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 144269227 is about 12011.2125532770. The cubic root of 144269227 is about 524.4747302668.

It can be divided in two parts, 14426 and 9227, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 144269227 in words is "one hundred forty-four million, two hundred sixty-nine thousand, two hundred twenty-seven".