144988267 has 2 divisors, whose sum is σ = 144988268. Its totient is φ = 144988266.

The previous prime is 144988243. The next prime is 144988289. The reversal of 144988267 is 762889441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144988267 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144988267.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72494133 + 72494134.

It is an arithmetic number, because the mean of its divisors is an integer number (72494134).

Almost surely, 2^144988267 is an apocalyptic number.

144988267 is a deficient number, since it is larger than the sum of its proper divisors (1).

144988267 is an equidigital number, since it uses as much as digits as its factorization.

144988267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 144988267 is about 12041.1073826289. The cubic root of 144988267 is about 525.3446166725.

The spelling of 144988267 in words is "one hundred forty-four million, nine hundred eighty-eight thousand, two hundred sixty-seven".