80240185 has 4 divisors (see below), whose sum is σ = 96288228. Its totient is φ = 64192144.

The previous prime is 80240179. The next prime is 80240191. The reversal of 80240185 is 58104208.

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

It is an interprime number because it is at equal distance from previous prime (80240179) and next prime (80240191).

It can be written as a sum of positive squares in 2 ways, for example, as 64176121 + 16064064 = 8011^2 + 4008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80240185 is a prime.

It is a Duffinian 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, 8024014 + ... + 8024023.

It is an arithmetic number, because the mean of its divisors is an integer number (24072057).

Almost surely, 2^80240185 is an apocalyptic number.

It is an amenable number.

80240185 is a deficient number, since it is larger than the sum of its proper divisors (16048043).

80240185 is a wasteful number, since it uses less digits than its factorization.

80240185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16048042.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 80240185 is about 8957.6885969540. The cubic root of 80240185 is about 431.3177262533.

The spelling of 80240185 in words is "eighty million, two hundred forty thousand, one hundred eighty-five".