141444405 has 12 divisors (see below), whose sum is σ = 245170380. Its totient is φ = 75436992.

The previous prime is 141444361. The next prime is 141444409. The reversal of 141444405 is 504444141.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 126023076 = 3927^2 + 11226^2 .

It is not a de Polignac number, because 141444405 - 2¹⁰ = 141443381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141444409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1571560 + ... + 1571649.

It is an arithmetic number, because the mean of its divisors is an integer number (20430865).

Almost surely, 2^141444405 is an apocalyptic number.

141444405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141444405 is a deficient number, since it is larger than the sum of its proper divisors (103725975).

141444405 is a wasteful number, since it uses less digits than its factorization.

141444405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143220 (or 3143217 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 141444405 is about 11893.0401916415. The cubic root of 141444405 is about 521.0290335438.

Adding to 141444405 its reverse (504444141), we get a palindrome (645888546).

The spelling of 141444405 in words is "one hundred forty-one million, four hundred forty-four thousand, four hundred five".