150099809 has 2 divisors, whose sum is σ = 150099810. Its totient is φ = 150099808.

The previous prime is 150099721. The next prime is 150099827. The reversal of 150099809 is 908990051.

150099809 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., 109139809 + 40960000 = 10447^2 + 6400^2 .

It is a cyclic number.

It is not a de Polignac number, because 150099809 - 2⁸ = 150099553 is a prime.

It is not a weakly prime, because it can be changed into another prime (150099839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75049904 + 75049905.

It is an arithmetic number, because the mean of its divisors is an integer number (75049905).

Almost surely, 2^150099809 is an apocalyptic number.

It is an amenable number.

150099809 is a deficient number, since it is larger than the sum of its proper divisors (1).

150099809 is an equidigital number, since it uses as much as digits as its factorization.

150099809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 150099809 is about 12251.5227216865. The cubic root of 150099809 is about 531.4471061172.

The spelling of 150099809 in words is "one hundred fifty million, ninety-nine thousand, eight hundred nine".