80450345 has 8 divisors (see below), whose sum is σ = 97536264. Its totient is φ = 63696384.

The previous prime is 80450339. The next prime is 80450347. The reversal of 80450345 is 54305408.

It can be written as a sum of positive squares in 4 ways, for example, as 12503296 + 67947049 = 3536^2 + 8243^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80450345 - 2⁴ = 80450329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80450347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82454 + ... + 83423.

It is an arithmetic number, because the mean of its divisors is an integer number (12192033).

Almost surely, 2^80450345 is an apocalyptic number.

It is an amenable number.

80450345 is a deficient number, since it is larger than the sum of its proper divisors (17085919).

80450345 is a wasteful number, since it uses less digits than its factorization.

80450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165979.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 80450345 is about 8969.4116306478. The cubic root of 80450345 is about 431.6939579816.

The spelling of 80450345 in words is "eighty million, four hundred fifty thousand, three hundred forty-five".