150865949 has 8 divisors (see below), whose sum is σ = 163298520. Its totient is φ = 138551616.

The previous prime is 150865921. The next prime is 150865951. The reversal of 150865949 is 949568051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4020025 + 146845924 = 2005^2 + 12118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150865949 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 (150865969) 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, 26894 + ... + 32015.

It is an arithmetic number, because the mean of its divisors is an integer number (20412315).

Almost surely, 2^150865949 is an apocalyptic number.

It is an amenable number.

150865949 is a deficient number, since it is larger than the sum of its proper divisors (12432571).

150865949 is a wasteful number, since it uses less digits than its factorization.

150865949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59119.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 150865949 is about 12282.7500585170. The cubic root of 150865949 is about 532.3497768110.

The spelling of 150865949 in words is "one hundred fifty million, eight hundred sixty-five thousand, nine hundred forty-nine".