144253161621443 has 48 divisors (see below), whose sum is σ = 177836734310400. Its totient is φ = 116266786110720.

The previous prime is 144253161621433. The next prime is 144253161621467. The reversal of 144253161621443 is 344126161352441.

It is not a de Polignac number, because 144253161621443 - 2¹² = 144253161617347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144253161621433) 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, 4400763428 + ... + 4400796206.

It is an arithmetic number, because the mean of its divisors is an integer number (3704931964800).

Almost surely, 2^{144253161621443} is an apocalyptic number.

144253161621443 is a deficient number, since it is larger than the sum of its proper divisors (33583572688957).

144253161621443 is a wasteful number, since it uses less digits than its factorization.

144253161621443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37440 (or 37433 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 144253161621443 in words is "one hundred forty-four trillion, two hundred fifty-three billion, one hundred sixty-one million, six hundred twenty-one thousand, four hundred forty-three".