144023531 has 2 divisors, whose sum is σ = 144023532. Its totient is φ = 144023530.

The previous prime is 144023521. The next prime is 144023533. The reversal of 144023531 is 135320441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144023531 - 2¹⁴ = 144007147 is a prime.

It is a super-2 number, since 2×144023531² = 41485554963415922, which contains 22 as substring.

Together with 144023533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144023497 and 144023506.

It is not a weakly prime, because it can be changed into another prime (144023533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72011765 + 72011766.

It is an arithmetic number, because the mean of its divisors is an integer number (72011766).

Almost surely, 2^144023531 is an apocalyptic number.

144023531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144023531 is an equidigital number, since it uses as much as digits as its factorization.

144023531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 144023531 is about 12000.9804182825. The cubic root of 144023531 is about 524.1768275950.

Adding to 144023531 its reverse (135320441), we get a palindrome (279343972).

The spelling of 144023531 in words is "one hundred forty-four million, twenty-three thousand, five hundred thirty-one".