144532231613 has 24 divisors (see below), whose sum is σ = 181602864576. Its totient is φ = 112596644160.

The previous prime is 144532231607. The next prime is 144532231639. The reversal of 144532231613 is 316132235441.

It is not a de Polignac number, because 144532231613 - 2⁶ = 144532231549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144532231213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4206881 + ... + 4241097.

It is an arithmetic number, because the mean of its divisors is an integer number (7566786024).

Almost surely, 2^144532231613 is an apocalyptic number.

It is an amenable number.

144532231613 is a deficient number, since it is larger than the sum of its proper divisors (37070632963).

144532231613 is a wasteful number, since it uses less digits than its factorization.

144532231613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39233 (or 39222 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 144532231613 in words is "one hundred forty-four billion, five hundred thirty-two million, two hundred thirty-one thousand, six hundred thirteen".