8081455 has 4 divisors (see below), whose sum is σ = 9697752. Its totient is φ = 6465160.

The previous prime is 8081419. The next prime is 8081471. The reversal of 8081455 is 5541808.

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

It is not a de Polignac number, because 8081455 - 2¹⁵ = 8048687 is a prime.

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 a Duffinian number.

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 808141 + ... + 808150.

It is an arithmetic number, because the mean of its divisors is an integer number (2424438).

Almost surely, 2^8081455 is an apocalyptic number.

8081455 is a deficient number, since it is larger than the sum of its proper divisors (1616297).

8081455 is a wasteful number, since it uses less digits than its factorization.

8081455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616296.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 8081455 is about 2842.7900027965. The cubic root of 8081455 is about 200.6765008198.

The spelling of 8081455 in words is "eight million, eighty-one thousand, four hundred fifty-five".