150690805 has 16 divisors (see below), whose sum is σ = 201545280. Its totient is φ = 107488512.

The previous prime is 150690797. The next prime is 150690809. The reversal of 150690805 is 508096051.

It is a cyclic number.

It is not a de Polignac number, because 150690805 - 2³ = 150690797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150690809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45039 + ... + 48268.

It is an arithmetic number, because the mean of its divisors is an integer number (12596580).

Almost surely, 2^150690805 is an apocalyptic number.

It is an amenable number.

150690805 is a deficient number, since it is larger than the sum of its proper divisors (50854475).

150690805 is a wasteful number, since it uses less digits than its factorization.

150690805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93348.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 150690805 is about 12275.6183143661. The cubic root of 150690805 is about 532.1436910465.

The spelling of 150690805 in words is "one hundred fifty million, six hundred ninety thousand, eight hundred five".