80240345 has 8 divisors (see below), whose sum is σ = 96902664. Its totient is φ = 63782784.

The previous prime is 80240317. The next prime is 80240371. The reversal of 80240345 is 54304208.

It can be written as a sum of positive squares in 4 ways, for example, as 6692569 + 73547776 = 2587^2 + 8576^2 .

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 80240345 - 2⁸ = 80240089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50324 + ... + 51893.

It is an arithmetic number, because the mean of its divisors is an integer number (12112833).

Almost surely, 2^80240345 is an apocalyptic number.

It is an amenable number.

80240345 is a deficient number, since it is larger than the sum of its proper divisors (16662319).

80240345 is a wasteful number, since it uses less digits than its factorization.

80240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102379.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 80240345 is about 8957.6975278249. The cubic root of 80240345 is about 431.3180129375.

The spelling of 80240345 in words is "eighty million, two hundred forty thousand, three hundred forty-five".