144008531 has 2 divisors, whose sum is σ = 144008532. Its totient is φ = 144008530.

The previous prime is 144008507. The next prime is 144008537. The reversal of 144008531 is 135800441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144008531 is a prime.

It is a super-2 number, since 2×144008531² = 41476914001555922, which contains 22 as substring.

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 144008531.

It is not a weakly prime, because it can be changed into another prime (144008537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72004265 + 72004266.

It is an arithmetic number, because the mean of its divisors is an integer number (72004266).

Almost surely, 2^144008531 is an apocalyptic number.

144008531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144008531 is an equidigital number, since it uses as much as digits as its factorization.

144008531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144008531 is about 12000.3554530689. The cubic root of 144008531 is about 524.1586293526.

Adding to 144008531 its reverse (135800441), we get a palindrome (279808972).

The spelling of 144008531 in words is "one hundred forty-four million, eight thousand, five hundred thirty-one".