144432887 has 2 divisors, whose sum is σ = 144432888. Its totient is φ = 144432886.

The previous prime is 144432881. The next prime is 144432907. The reversal of 144432887 is 788234441.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (788234441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144432887 - 2⁶ = 144432823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144432881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72216443 + 72216444.

It is an arithmetic number, because the mean of its divisors is an integer number (72216444).

Almost surely, 2^144432887 is an apocalyptic number.

144432887 is a deficient number, since it is larger than the sum of its proper divisors (1).

144432887 is an equidigital number, since it uses as much as digits as its factorization.

144432887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The square root of 144432887 is about 12018.0234231757. The cubic root of 144432887 is about 524.6729778975.

The spelling of 144432887 in words is "one hundred forty-four million, four hundred thirty-two thousand, eight hundred eighty-seven".