144657431523 has 96 divisors (see below), whose sum is σ = 242179338240. Its totient is φ = 85242326400.

The previous prime is 144657431473. The next prime is 144657431537. The reversal of 144657431523 is 325134756441.

144657431523 is a `hidden beast` number, since 1 + 4 + 46 + 57 + 4 + 31 + 523 = 666.

144657431523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144657431523 - 2⁹ = 144657431011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144657431573) 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 95 ways as a sum of consecutive naturals, for example, 16928590 + ... + 16937132.

It is an arithmetic number, because the mean of its divisors is an integer number (2522701440).

Almost surely, 2^144657431523 is an apocalyptic number.

144657431523 is a deficient number, since it is larger than the sum of its proper divisors (97521906717).

144657431523 is a wasteful number, since it uses less digits than its factorization.

144657431523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718 (or 8701 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 144657431523 in words is "one hundred forty-four billion, six hundred fifty-seven million, four hundred thirty-one thousand, five hundred twenty-three".