144736045405 has 12 divisors (see below), whose sum is σ = 202039704540. Its totient is φ = 99247573824.

The previous prime is 144736045403. The next prime is 144736045411. The reversal of 144736045405 is 504540637441.

144736045405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30571123716 + 114164921689 = 174846^2 + 337883^2 .

It is not a de Polignac number, because 144736045405 - 2¹ = 144736045403 is a prime.

It is a super-2 number, since 2×144736045405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144736045403) 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 11 ways as a sum of consecutive naturals, for example, 295379440 + ... + 295379929.

It is an arithmetic number, because the mean of its divisors is an integer number (16836642045).

Almost surely, 2^144736045405 is an apocalyptic number.

It is an amenable number.

144736045405 is a deficient number, since it is larger than the sum of its proper divisors (57303659135).

144736045405 is an equidigital number, since it uses as much as digits as its factorization.

144736045405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590759388 (or 590759381 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 144736045405 in words is "one hundred forty-four billion, seven hundred thirty-six million, forty-five thousand, four hundred five".