144421644035 has 8 divisors (see below), whose sum is σ = 176147054736. Its totient is φ = 113643260640.

The previous prime is 144421644023. The next prime is 144421644047. The reversal of 144421644035 is 530446124441.

It is an interprime number because it is at equal distance from previous prime (144421644023) and next prime (144421644047).

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

It is not a de Polignac number, because 144421644035 - 2²⁴ = 144404866819 is a prime.

It is a super-2 number, since 2×144421644035² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144421644035.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236756489 + ... + 236757098.

It is an arithmetic number, because the mean of its divisors is an integer number (22018381842).

Almost surely, 2^144421644035 is an apocalyptic number.

144421644035 is a deficient number, since it is larger than the sum of its proper divisors (31725410701).

144421644035 is an equidigital number, since it uses as much as digits as its factorization.

144421644035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473513653.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 144421644035 its reverse (530446124441), we get a palindrome (674867768476).

The spelling of 144421644035 in words is "one hundred forty-four billion, four hundred twenty-one million, six hundred forty-four thousand, thirty-five".