144640533205 has 16 divisors (see below), whose sum is σ = 206988689664. Its totient is φ = 94869815040.

The previous prime is 144640533161. The next prime is 144640533211. The reversal of 144640533205 is 502335046441.

It is not a de Polignac number, because 144640533205 - 2⁷ = 144640533077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89838036 + ... + 89839645.

It is an arithmetic number, because the mean of its divisors is an integer number (12936793104).

Almost surely, 2^144640533205 is an apocalyptic number.

It is an amenable number.

144640533205 is a deficient number, since it is larger than the sum of its proper divisors (62348156459).

144640533205 is a wasteful number, since it uses less digits than its factorization.

144640533205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179677716.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 144640533205 its reverse (502335046441), we get a palindrome (646975579646).

The spelling of 144640533205 in words is "one hundred forty-four billion, six hundred forty million, five hundred thirty-three thousand, two hundred five".