144849968641 has 12 divisors (see below), whose sum is σ = 168596835312. Its totient is φ = 124084984968.

The previous prime is 144849968591. The next prime is 144849968651. The reversal of 144849968641 is 146869948441.

It is not a de Polignac number, because 144849968641 - 2⁷ = 144849968513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144849968651) 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, 773415 + ... + 942268.

It is an arithmetic number, because the mean of its divisors is an integer number (14049736276).

Almost surely, 2^144849968641 is an apocalyptic number.

It is an amenable number.

144849968641 is a deficient number, since it is larger than the sum of its proper divisors (23746866671).

144849968641 is a wasteful number, since it uses less digits than its factorization.

144849968641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717420 (or 1717413 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 64.

The spelling of 144849968641 in words is "one hundred forty-four billion, eight hundred forty-nine million, nine hundred sixty-eight thousand, six hundred forty-one".