150808109 has 2 divisors, whose sum is σ = 150808110. Its totient is φ = 150808108.

The previous prime is 150808103. The next prime is 150808129. The reversal of 150808109 is 901808051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125507209 + 25300900 = 11203^2 + 5030^2 .

It is an emirp because it is prime and its reverse (901808051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150808109 - 2¹² = 150804013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150808103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75404054 + 75404055.

It is an arithmetic number, because the mean of its divisors is an integer number (75404055).

Almost surely, 2^150808109 is an apocalyptic number.

It is an amenable number.

150808109 is a deficient number, since it is larger than the sum of its proper divisors (1).

150808109 is an equidigital number, since it uses as much as digits as its factorization.

150808109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 150808109 is about 12280.3953112268. The cubic root of 150808109 is about 532.2817361716.

The spelling of 150808109 in words is "one hundred fifty million, eight hundred eight thousand, one hundred nine".