144457851918468 has 96 divisors (see below), whose sum is σ = 369354584471040. Its totient is φ = 43579454307840.

The previous prime is 144457851918439. The next prime is 144457851918473. The reversal of 144457851918468 is 864819158754441.

It is a self number, because there is not a number n which added to its sum of digits gives 144457851918468.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490333455 + ... + 490627977.

It is an arithmetic number, because the mean of its divisors is an integer number (3847443588240).

Almost surely, 2^{144457851918468} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144457851918468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184677292235520).

144457851918468 is an abundant number, since it is smaller than the sum of its proper divisors (224896732552572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144457851918468 is a wasteful number, since it uses less digits than its factorization.

144457851918468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311137 (or 311135 counting only the distinct ones).

The product of its digits is 1238630400, while the sum is 75.

The spelling of 144457851918468 in words is "one hundred forty-four trillion, four hundred fifty-seven billion, eight hundred fifty-one million, nine hundred eighteen thousand, four hundred sixty-eight".