144455324405 has 24 divisors (see below), whose sum is σ = 202336159032. Its totient is φ = 98716958592.

The previous prime is 144455324393. The next prime is 144455324441. The reversal of 144455324405 is 504423554441.

It can be written as a sum of positive squares in 4 ways, for example, as 36108360484 + 108346963921 = 190022^2 + 329161^2 .

It is not a de Polignac number, because 144455324405 - 2⁶ = 144455324341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934382 + ... + 1077951.

It is an arithmetic number, because the mean of its divisors is an integer number (8430673293).

Almost surely, 2^144455324405 is an apocalyptic number.

It is an amenable number.

144455324405 is a deficient number, since it is larger than the sum of its proper divisors (57880834627).

144455324405 is a wasteful number, since it uses less digits than its factorization.

144455324405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012645 (or 2012638 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 144455324405 its reverse (504423554441), we get a palindrome (648878878846).

The spelling of 144455324405 in words is "one hundred forty-four billion, four hundred fifty-five million, three hundred twenty-four thousand, four hundred five".