80001345 has 16 divisors (see below), whose sum is σ = 130173120. Its totient is φ = 41943744.

The previous prime is 80001323. The next prime is 80001349. The reversal of 80001345 is 54310008.

It is not a de Polignac number, because 80001345 - 2²¹ = 77904193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80001349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44314 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (8135820).

Almost surely, 2^80001345 is an apocalyptic number.

It is an amenable number.

80001345 is a deficient number, since it is larger than the sum of its proper divisors (50171775).

80001345 is a wasteful number, since it uses less digits than its factorization.

80001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90464.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 80001345 is about 8944.3470974689. The cubic root of 80001345 is about 430.8893527551.

The spelling of 80001345 in words is "eighty million, one thousand, three hundred forty-five".