144535234421 has 32 divisors (see below), whose sum is σ = 161280523008. Its totient is φ = 128830141440.

The previous prime is 144535234373. The next prime is 144535234471. The reversal of 144535234421 is 124432535441.

It is a cyclic number.

It is not a de Polignac number, because 144535234421 - 2¹⁸ = 144534972277 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 (144535234471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16248251 + ... + 16257143.

It is an arithmetic number, because the mean of its divisors is an integer number (5040016344).

Almost surely, 2^144535234421 is an apocalyptic number.

It is an amenable number.

144535234421 is a deficient number, since it is larger than the sum of its proper divisors (16745288587).

144535234421 is a wasteful number, since it uses less digits than its factorization.

144535234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341.

The product of its digits is 230400, while the sum is 38.

Adding to 144535234421 its reverse (124432535441), we get a palindrome (268967769862).

The spelling of 144535234421 in words is "one hundred forty-four billion, five hundred thirty-five million, two hundred thirty-four thousand, four hundred twenty-one".