80145240443128 has 64 divisors (see below), whose sum is σ = 176418315740160. Its totient is φ = 33412645639296.

The previous prime is 80145240443077. The next prime is 80145240443131. The reversal of 80145240443128 is 82134404254108.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5866875 + ... + 13953877.

It is an arithmetic number, because the mean of its divisors is an integer number (2756536183440).

Almost surely, 2^{80145240443128} is an apocalyptic number.

It is an amenable number.

80145240443128 is an abundant number, since it is smaller than the sum of its proper divisors (96273075297032).

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

80145240443128 is a wasteful number, since it uses less digits than its factorization.

80145240443128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091836 (or 8091832 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 80145240443128 in words is "eighty trillion, one hundred forty-five billion, two hundred forty million, four hundred forty-three thousand, one hundred twenty-eight".