80144730381 has 8 divisors (see below), whose sum is σ = 107028992704. Its totient is φ = 53345144160.

The previous prime is 80144730307. The next prime is 80144730383. The reversal of 80144730381 is 18303744108.

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

It is a de Polignac number, because none of the positive numbers 2^k-80144730381 is a prime.

It is a super-2 number, since 2×80144730381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80144730383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21166816 + ... + 21170601.

It is an arithmetic number, because the mean of its divisors is an integer number (13378624088).

Almost surely, 2^80144730381 is an apocalyptic number.

It is an amenable number.

80144730381 is a deficient number, since it is larger than the sum of its proper divisors (26884262323).

80144730381 is a wasteful number, since it uses less digits than its factorization.

80144730381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42338051.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 80144730381 in words is "eighty billion, one hundred forty-four million, seven hundred thirty thousand, three hundred eighty-one".