144240340203231 has 16 divisors (see below), whose sum is σ = 193618850534400. Its totient is φ = 95511191176800.

The previous prime is 144240340203209. The next prime is 144240340203259. The reversal of 144240340203231 is 132302043042441.

It is a de Polignac number, because none of the positive numbers 2^k-144240340203231 is a prime.

It is a super-2 number, since 2×144240340203231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144240340203192 and 144240340203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240360203231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16807156 + ... + 23894793.

It is an arithmetic number, because the mean of its divisors is an integer number (12101178158400).

Almost surely, 2^{144240340203231} is an apocalyptic number.

144240340203231 is a deficient number, since it is larger than the sum of its proper divisors (49378510331169).

144240340203231 is a wasteful number, since it uses less digits than its factorization.

144240340203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40709926.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 144240340203231 its reverse (132302043042441), we get a palindrome (276542383245672).

The spelling of 144240340203231 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred forty million, two hundred three thousand, two hundred thirty-one".