150384809 has 2 divisors, whose sum is σ = 150384810. Its totient is φ = 150384808.

The previous prime is 150384781. The next prime is 150384811. The reversal of 150384809 is 908483051.

150384809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 14592400 = 11653^2 + 3820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150384809 is a prime.

It is a Sophie Germain prime.

Together with 150384811, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150384709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75192404 + 75192405.

It is an arithmetic number, because the mean of its divisors is an integer number (75192405).

Almost surely, 2^150384809 is an apocalyptic number.

It is an amenable number.

150384809 is a deficient number, since it is larger than the sum of its proper divisors (1).

150384809 is an equidigital number, since it uses as much as digits as its factorization.

150384809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 150384809 is about 12263.1484130300. The cubic root of 150384809 is about 531.7832528115.

The spelling of 150384809 in words is "one hundred fifty million, three hundred eighty-four thousand, eight hundred nine".