805510149 has 32 divisors (see below), whose sum is σ = 1173043200. Its totient is φ = 489939840.

The previous prime is 805510081. The next prime is 805510229. The reversal of 805510149 is 941015508.

It is not a de Polignac number, because 805510149 - 2⁸ = 805509893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805510049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182442 + ... + 186804.

It is an arithmetic number, because the mean of its divisors is an integer number (36657600).

Almost surely, 2^805510149 is an apocalyptic number.

It is an amenable number.

805510149 is a deficient number, since it is larger than the sum of its proper divisors (367533051).

805510149 is a wasteful number, since it uses less digits than its factorization.

805510149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 805510149 is about 28381.5106891793. The cubic root of 805510149 is about 930.4442125780. Note that the first 3 decimals are identical.

The spelling of 805510149 in words is "eight hundred five million, five hundred ten thousand, one hundred forty-nine".