144240245457 has 64 divisors (see below), whose sum is σ = 258183936000. Its totient is φ = 69326945280.

The previous prime is 144240245393. The next prime is 144240245537. The reversal of 144240245457 is 754542042441.

It is a happy number.

144240245457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144240245457 - 2⁶ = 144240245393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144240245057) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 79582 + ... + 542967.

It is an arithmetic number, because the mean of its divisors is an integer number (4034124000).

Almost surely, 2^144240245457 is an apocalyptic number.

144240245457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144240245457 is a deficient number, since it is larger than the sum of its proper divisors (113943690543).

144240245457 is a wasteful number, since it uses less digits than its factorization.

144240245457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622646.

The product of its (nonzero) digits is 716800, while the sum is 42.

Adding to 144240245457 its reverse (754542042441), we get a palindrome (898782287898).

The spelling of 144240245457 in words is "one hundred forty-four billion, two hundred forty million, two hundred forty-five thousand, four hundred fifty-seven".