144400173205 has 16 divisors (see below), whose sum is σ = 173522934000. Its totient is φ = 115358446080.

The previous prime is 144400173199. The next prime is 144400173241. The reversal of 144400173205 is 502371004441.

It can be written as a sum of positive squares in 8 ways, for example, as 25817741041 + 118582432164 = 160679^2 + 344358^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144400173205 is a prime.

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, 11464051 + ... + 11476639.

It is an arithmetic number, because the mean of its divisors is an integer number (10845183375).

Almost surely, 2^144400173205 is an apocalyptic number.

It is an amenable number.

144400173205 is a deficient number, since it is larger than the sum of its proper divisors (29122760795).

144400173205 is a wasteful number, since it uses less digits than its factorization.

144400173205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15624.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 144400173205 its reverse (502371004441), we get a palindrome (646771177646).

The spelling of 144400173205 in words is "one hundred forty-four billion, four hundred million, one hundred seventy-three thousand, two hundred five".