150805109 has 16 divisors (see below), whose sum is σ = 195377280. Its totient is φ = 113037120.

The previous prime is 150805091. The next prime is 150805117. The reversal of 150805109 is 901508051.

It is not a de Polignac number, because 150805109 - 2²⁰ = 149756533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150805129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41882 + ... + 45339.

It is an arithmetic number, because the mean of its divisors is an integer number (12211080).

Almost surely, 2^150805109 is an apocalyptic number.

150805109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

150805109 is a deficient number, since it is larger than the sum of its proper divisors (44572171).

150805109 is a wasteful number, since it uses less digits than its factorization.

150805109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87260.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 150805109 is about 12280.2731647142. The cubic root of 150805109 is about 532.2782066183.

The spelling of 150805109 in words is "one hundred fifty million, eight hundred five thousand, one hundred nine".