80455306 has 4 divisors (see below), whose sum is σ = 120682962. Its totient is φ = 40227652.

The previous prime is 80455247. The next prime is 80455321. The reversal of 80455306 is 60355408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70476025 + 9979281 = 8395^2 + 3159^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20113825 + ... + 20113828.

Almost surely, 2^80455306 is an apocalyptic number.

80455306 is the 4795-th centered heptagonal number.

80455306 is a deficient number, since it is larger than the sum of its proper divisors (40227656).

80455306 is a wasteful number, since it uses less digits than its factorization.

80455306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40227655.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 80455306 is about 8969.6881774117. The cubic root of 80455306 is about 431.7028313212.

The spelling of 80455306 in words is "eighty million, four hundred fifty-five thousand, three hundred six".