150061909 has 2 divisors, whose sum is σ = 150061910. Its totient is φ = 150061908.

The previous prime is 150061897. The next prime is 150061931. The reversal of 150061909 is 909160051.

150061909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149989009 + 72900 = 12247^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 150061909 - 2¹⁹ = 149537621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150061949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75030954 + 75030955.

It is an arithmetic number, because the mean of its divisors is an integer number (75030955).

Almost surely, 2^150061909 is an apocalyptic number.

It is an amenable number.

150061909 is a deficient number, since it is larger than the sum of its proper divisors (1).

150061909 is an equidigital number, since it uses as much as digits as its factorization.

150061909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 150061909 is about 12249.9758775273. The cubic root of 150061909 is about 531.4023724586.

The spelling of 150061909 in words is "one hundred fifty million, sixty-one thousand, nine hundred nine".