144613353531 has 16 divisors (see below), whose sum is σ = 193819808000. Its totient is φ = 95908066848.

The previous prime is 144613353517. The next prime is 144613353593. The reversal of 144613353531 is 135353316441.

It is not a de Polignac number, because 144613353531 - 2¹³ = 144613345339 is a prime.

It is a super-2 number, since 2×144613353531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144613353531.

It is not an unprimeable number, because it can be changed into a prime (144613353631) 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 in 15 ways as a sum of consecutive naturals, for example, 4203060 + ... + 4237326.

It is an arithmetic number, because the mean of its divisors is an integer number (12113738000).

Almost surely, 2^144613353531 is an apocalyptic number.

144613353531 is a deficient number, since it is larger than the sum of its proper divisors (49206454469).

144613353531 is a wasteful number, since it uses less digits than its factorization.

144613353531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41538.

The product of its digits is 194400, while the sum is 39.

Adding to 144613353531 its reverse (135353316441), we get a palindrome (279966669972).

The spelling of 144613353531 in words is "one hundred forty-four billion, six hundred thirteen million, three hundred fifty-three thousand, five hundred thirty-one".