144144531 has 12 divisors (see below), whose sum is σ = 209041560. Its totient is φ = 95712000.

The previous prime is 144144521. The next prime is 144144541. The reversal of 144144531 is 135441441.

144144531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144144521) and next prime (144144541).

It is not a de Polignac number, because 144144531 - 2⁵ = 144144499 is a prime.

It is a super-2 number, since 2×144144531² = 41555291634419922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144144495 and 144144504.

It is not an unprimeable number, because it can be changed into a prime (144144521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29646 + ... + 34163.

It is an arithmetic number, because the mean of its divisors is an integer number (17420130).

Almost surely, 2^144144531 is an apocalyptic number.

144144531 is a deficient number, since it is larger than the sum of its proper divisors (64897029).

144144531 is a wasteful number, since it uses less digits than its factorization.

144144531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64066 (or 64063 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 144144531 is about 12006.0206146750. The cubic root of 144144531 is about 524.3235805640.

Adding to 144144531 its reverse (135441441), we get a palindrome (279585972).

The spelling of 144144531 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred thirty-one".