80142871454 has 24 divisors (see below), whose sum is σ = 127652937480. Its totient is φ = 37729459152.

The previous prime is 80142871453. The next prime is 80142871541. The reversal of 80142871454 is 45417824108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80142871453) 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 11 ways as a sum of consecutive naturals, for example, 222809 + ... + 458180.

It is an arithmetic number, because the mean of its divisors is an integer number (5318872395).

Almost surely, 2^80142871454 is an apocalyptic number.

80142871454 is a deficient number, since it is larger than the sum of its proper divisors (47510066026).

80142871454 is a wasteful number, since it uses less digits than its factorization.

80142871454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681192 (or 681173 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 80142871454 in words is "eighty billion, one hundred forty-two million, eight hundred seventy-one thousand, four hundred fifty-four".