144726287 has 12 divisors (see below), whose sum is σ = 161838120. Its totient is φ = 129038976.

The previous prime is 144726271. The next prime is 144726289. The reversal of 144726287 is 782627441.

It is a happy number.

It is not a de Polignac number, because 144726287 - 2⁴ = 144726271 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144726289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7688 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (13486510).

Almost surely, 2^144726287 is an apocalyptic number.

144726287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

144726287 is a deficient number, since it is larger than the sum of its proper divisors (17111833).

144726287 is a wasteful number, since it uses less digits than its factorization.

144726287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26410 (or 26393 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 144726287 is about 12030.2238965033. The cubic root of 144726287 is about 525.0280099946.

The spelling of 144726287 in words is "one hundred forty-four million, seven hundred twenty-six thousand, two hundred eighty-seven".