144252631 has 2 divisors, whose sum is σ = 144252632. Its totient is φ = 144252630.

The previous prime is 144252629. The next prime is 144252649. The reversal of 144252631 is 136252441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144252631 - 2¹ = 144252629 is a prime.

It is a super-2 number, since 2×144252631² = 41617643100844322, which contains 22 as substring.

Together with 144252629, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144252631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144252601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72126315 + 72126316.

It is an arithmetic number, because the mean of its divisors is an integer number (72126316).

Almost surely, 2^144252631 is an apocalyptic number.

144252631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144252631 is an equidigital number, since it uses as much as digits as its factorization.

144252631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 144252631 is about 12010.5216789280. The cubic root of 144252631 is about 524.4546185248.

The spelling of 144252631 in words is "one hundred forty-four million, two hundred fifty-two thousand, six hundred thirty-one".