144988531237 has 4 divisors (see below), whose sum is σ = 158169306816. Its totient is φ = 131807755660.

The previous prime is 144988531169. The next prime is 144988531253. The reversal of 144988531237 is 732135889441.

144988531237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144988531237 - 2²⁷ = 144854313509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144988531267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6590387773 + ... + 6590387794.

It is an arithmetic number, because the mean of its divisors is an integer number (39542326704).

Almost surely, 2^144988531237 is an apocalyptic number.

It is an amenable number.

144988531237 is a deficient number, since it is larger than the sum of its proper divisors (13180775579).

144988531237 is a wasteful number, since it uses less digits than its factorization.

144988531237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180775578.

The product of its digits is 5806080, while the sum is 55.

The spelling of 144988531237 in words is "one hundred forty-four billion, nine hundred eighty-eight million, five hundred thirty-one thousand, two hundred thirty-seven".