144444333020403 has 48 divisors (see below), whose sum is σ = 209772717204960. Its totient is φ = 88366663756800.

The previous prime is 144444333020399. The next prime is 144444333020431. The reversal of 144444333020403 is 304020333444441.

It is not a de Polignac number, because 144444333020403 - 2² = 144444333020399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (144444333022403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262270303 + ... + 262820471.

It is an arithmetic number, because the mean of its divisors is an integer number (4370264941770).

Almost surely, 2^{144444333020403} is an apocalyptic number.

144444333020403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144444333020403 is a deficient number, since it is larger than the sum of its proper divisors (65328384184557).

144444333020403 is a wasteful number, since it uses less digits than its factorization.

144444333020403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553240 (or 553227 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 144444333020403 its reverse (304020333444441), we get a palindrome (448464666464844).

The spelling of 144444333020403 in words is "one hundred forty-four trillion, four hundred forty-four billion, three hundred thirty-three million, twenty thousand, four hundred three".