144232247 has 2 divisors, whose sum is σ = 144232248. Its totient is φ = 144232246.

The previous prime is 144232213. The next prime is 144232259. The reversal of 144232247 is 742232441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144232247 - 2¹⁸ = 143970103 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72116123 + 72116124.

It is an arithmetic number, because the mean of its divisors is an integer number (72116124).

Almost surely, 2^144232247 is an apocalyptic number.

144232247 is a deficient number, since it is larger than the sum of its proper divisors (1).

144232247 is an equidigital number, since it uses as much as digits as its factorization.

144232247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 29.

The square root of 144232247 is about 12009.6730596632. The cubic root of 144232247 is about 524.4299142116.

Adding to 144232247 its reverse (742232441), we get a palindrome (886464688).

The spelling of 144232247 in words is "one hundred forty-four million, two hundred thirty-two thousand, two hundred forty-seven".