144864403 has 2 divisors, whose sum is σ = 144864404. Its totient is φ = 144864402.

The previous prime is 144864389. The next prime is 144864407. The reversal of 144864403 is 304468441.

It is a strong prime.

It is an emirp because it is prime and its reverse (304468441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144864403 - 2⁹ = 144863891 is a prime.

It is not a weakly prime, because it can be changed into another prime (144864407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72432201 + 72432202.

It is an arithmetic number, because the mean of its divisors is an integer number (72432202).

Almost surely, 2^144864403 is an apocalyptic number.

144864403 is a deficient number, since it is larger than the sum of its proper divisors (1).

144864403 is an equidigital number, since it uses as much as digits as its factorization.

144864403 is an evil number, because the sum of its binary digits is even.

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

The square root of 144864403 is about 12035.9629029006. The cubic root of 144864403 is about 525.1949727830.

The spelling of 144864403 in words is "one hundred forty-four million, eight hundred sixty-four thousand, four hundred three".