144887263 has 2 divisors, whose sum is σ = 144887264. Its totient is φ = 144887262.

The previous prime is 144887233. The next prime is 144887279. The reversal of 144887263 is 362788441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144887263 - 2⁹ = 144886751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144887233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72443631 + 72443632.

It is an arithmetic number, because the mean of its divisors is an integer number (72443632).

Almost surely, 2^144887263 is an apocalyptic number.

144887263 is a deficient number, since it is larger than the sum of its proper divisors (1).

144887263 is an equidigital number, since it uses as much as digits as its factorization.

144887263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 43.

The square root of 144887263 is about 12036.9125194129. The cubic root of 144887263 is about 525.2225970656. Note that the first 3 decimals are identical.

The spelling of 144887263 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, two hundred sixty-three".