80204345 has 16 divisors (see below), whose sum is σ = 106453200. Its totient is φ = 57625344.

The previous prime is 80204329. The next prime is 80204387. The reversal of 80204345 is 54340208.

It can be written as a sum of positive squares in 8 ways, for example, as 5779216 + 74425129 = 2404^2 + 8627^2 .

It is a cyclic number.

It is not a de Polignac number, because 80204345 - 2⁴ = 80204329 is a prime.

It is a super-3 number, since 3×80204345³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14270 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (6653325).

Almost surely, 2^80204345 is an apocalyptic number.

It is an amenable number.

80204345 is a deficient number, since it is larger than the sum of its proper divisors (26248855).

80204345 is a wasteful number, since it uses less digits than its factorization.

80204345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33404.

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

The square root of 80204345 is about 8955.6878574457. The cubic root of 80204345 is about 431.2534993765.

The spelling of 80204345 in words is "eighty million, two hundred four thousand, three hundred forty-five".