144254451505 has 32 divisors (see below), whose sum is σ = 177001778304. Its totient is φ = 112833616896.

The previous prime is 144254451491. The next prime is 144254451527. The reversal of 144254451505 is 505154452441.

144254451505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144254451505 - 2⁹ = 144254450993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59682057 + ... + 59684473.

It is an arithmetic number, because the mean of its divisors is an integer number (5531305572).

Almost surely, 2^144254451505 is an apocalyptic number.

It is an amenable number.

144254451505 is a deficient number, since it is larger than the sum of its proper divisors (32747326799).

144254451505 is a wasteful number, since it uses less digits than its factorization.

144254451505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 144254451505 in words is "one hundred forty-four billion, two hundred fifty-four million, four hundred fifty-one thousand, five hundred five".