144431143050405 has 48 divisors (see below), whose sum is σ = 241609707896256. Its totient is φ = 73669940931840.

The previous prime is 144431143050401. The next prime is 144431143050407. The reversal of 144431143050405 is 504050341134441.

It is not a de Polignac number, because 144431143050405 - 2² = 144431143050401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144431143050401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52562710 + ... + 55242200.

It is an arithmetic number, because the mean of its divisors is an integer number (5033535581172).

Almost surely, 2^{144431143050405} is an apocalyptic number.

144431143050405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144431143050405 is a deficient number, since it is larger than the sum of its proper divisors (97178564845851).

144431143050405 is a wasteful number, since it uses less digits than its factorization.

144431143050405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686338 (or 2686315 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 144431143050405 its reverse (504050341134441), we get a palindrome (648481484184846).

The spelling of 144431143050405 in words is "one hundred forty-four trillion, four hundred thirty-one billion, one hundred forty-three million, fifty thousand, four hundred five".