150836809 has 2 divisors, whose sum is σ = 150836810. Its totient is φ = 150836808.

The previous prime is 150836773. The next prime is 150836837. The reversal of 150836809 is 908638051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133171600 + 17665209 = 11540^2 + 4203^2 .

It is a cyclic number.

It is not a de Polignac number, because 150836809 - 2⁷ = 150836681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150836879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75418404 + 75418405.

It is an arithmetic number, because the mean of its divisors is an integer number (75418405).

Almost surely, 2^150836809 is an apocalyptic number.

It is an amenable number.

150836809 is a deficient number, since it is larger than the sum of its proper divisors (1).

150836809 is an equidigital number, since it uses as much as digits as its factorization.

150836809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 150836809 is about 12281.5637847955. The cubic root of 150836809 is about 532.3154998663.

The spelling of 150836809 in words is "one hundred fifty million, eight hundred thirty-six thousand, eight hundred nine".