144224449 has 2 divisors, whose sum is σ = 144224450. Its totient is φ = 144224448.

The previous prime is 144224419. The next prime is 144224471. The reversal of 144224449 is 944422441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 21790224 = 11065^2 + 4668^2 .

It is a cyclic number.

It is not a de Polignac number, because 144224449 - 2⁷ = 144224321 is a prime.

It is not a weakly prime, because it can be changed into another prime (144224419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72112224 + 72112225.

It is an arithmetic number, because the mean of its divisors is an integer number (72112225).

Almost surely, 2^144224449 is an apocalyptic number.

It is an amenable number.

144224449 is a deficient number, since it is larger than the sum of its proper divisors (1).

144224449 is an equidigital number, since it uses as much as digits as its factorization.

144224449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The square root of 144224449 is about 12009.3484003088. The cubic root of 144224449 is about 524.4204628389.

The spelling of 144224449 in words is "one hundred forty-four million, two hundred twenty-four thousand, four hundred forty-nine".