144487663 has 2 divisors, whose sum is σ = 144487664. Its totient is φ = 144487662.

The previous prime is 144487661. The next prime is 144487667. The reversal of 144487663 is 366784441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144487663 - 2¹ = 144487661 is a prime.

Together with 144487661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144487661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72243831 + 72243832.

It is an arithmetic number, because the mean of its divisors is an integer number (72243832).

Almost surely, 2^144487663 is an apocalyptic number.

144487663 is a deficient number, since it is larger than the sum of its proper divisors (1).

144487663 is an equidigital number, since it uses as much as digits as its factorization.

144487663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 144487663 is about 12020.3021176674. The cubic root of 144487663 is about 524.7392967147.

The spelling of 144487663 in words is "one hundred forty-four million, four hundred eighty-seven thousand, six hundred sixty-three".