144641110646 has 32 divisors (see below), whose sum is σ = 229599360000. Its totient is φ = 68149389312.

The previous prime is 144641110639. The next prime is 144641110657. The reversal of 144641110646 is 646011146441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7011455 + ... + 7032053.

It is an arithmetic number, because the mean of its divisors is an integer number (7174980000).

Almost surely, 2^144641110646 is an apocalyptic number.

144641110646 is a deficient number, since it is larger than the sum of its proper divisors (84958249354).

144641110646 is a wasteful number, since it uses less digits than its factorization.

144641110646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21596.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 144641110646 in words is "one hundred forty-four billion, six hundred forty-one million, one hundred ten thousand, six hundred forty-six".