144000746821 has 8 divisors (see below), whose sum is σ = 145740687840. Its totient is φ = 142268421168.

The previous prime is 144000746803. The next prime is 144000746861. The reversal of 144000746821 is 128647000441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144000746821 - 2⁵ = 144000746789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144000746861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865791 + ... + 1941436.

It is an arithmetic number, because the mean of its divisors is an integer number (18217585980).

Almost surely, 2^144000746821 is an apocalyptic number.

It is an amenable number.

144000746821 is a deficient number, since it is larger than the sum of its proper divisors (1739941019).

144000746821 is a wasteful number, since it uses less digits than its factorization.

144000746821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807683.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 144000746821 in words is "one hundred forty-four billion, seven hundred forty-six thousand, eight hundred twenty-one".