144401133455513 has 12 divisors (see below), whose sum is σ = 158722229213184. Its totient is φ = 131273491212600.

The previous prime is 144401133455389. The next prime is 144401133455519. The reversal of 144401133455513 is 315554331104441.

It is a de Polignac number, because none of the positive numbers 2^k-144401133455513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144401133455519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82388408 + ... + 84122838.

It is an arithmetic number, because the mean of its divisors is an integer number (13226852434432).

Almost surely, 2^{144401133455513} is an apocalyptic number.

It is an amenable number.

144401133455513 is a deficient number, since it is larger than the sum of its proper divisors (14321095757671).

144401133455513 is a wasteful number, since it uses less digits than its factorization.

144401133455513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422516 (or 2422505 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 144401133455513 its reverse (315554331104441), we get a palindrome (459955464559954).

The spelling of 144401133455513 in words is "one hundred forty-four trillion, four hundred one billion, one hundred thirty-three million, four hundred fifty-five thousand, five hundred thirteen".