144064404646 has 32 divisors (see below), whose sum is σ = 222733431648. Its totient is φ = 69834389760.

The previous prime is 144064404643. The next prime is 144064404703. The reversal of 144064404646 is 646404460441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144064404643) by changing a digit.

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, 25535986 + ... + 25541626.

It is an arithmetic number, because the mean of its divisors is an integer number (6960419739).

Almost surely, 2^144064404646 is an apocalyptic number.

144064404646 is a deficient number, since it is larger than the sum of its proper divisors (78669027002).

144064404646 is a wasteful number, since it uses less digits than its factorization.

144064404646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856.

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 144064404646 in words is "one hundred forty-four billion, sixty-four million, four hundred four thousand, six hundred forty-six".