80801045 has 8 divisors (see below), whose sum is σ = 104419896. Its totient is φ = 59668416.

The previous prime is 80801041. The next prime is 80801059. The reversal of 80801045 is 54010808.

It can be written as a sum of positive squares in 4 ways, for example, as 1697809 + 79103236 = 1303^2 + 8894^2 .

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 80801045 - 2² = 80801041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80801041) 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, 621482 + ... + 621611.

It is an arithmetic number, because the mean of its divisors is an integer number (13052487).

Almost surely, 2^80801045 is an apocalyptic number.

It is an amenable number.

80801045 is a deficient number, since it is larger than the sum of its proper divisors (23618851).

80801045 is a wasteful number, since it uses less digits than its factorization.

80801045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243111.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 80801045 is about 8988.9401488718. The cubic root of 80801045 is about 432.3203303301.

The spelling of 80801045 in words is "eighty million, eight hundred one thousand, forty-five".