150065209 has 4 divisors (see below), whose sum is σ = 171503104. Its totient is φ = 128627316.

The previous prime is 150065197. The next prime is 150065233. The reversal of 150065209 is 902560051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150065209 - 2⁵ = 150065177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150065009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10718937 + ... + 10718950.

It is an arithmetic number, because the mean of its divisors is an integer number (42875776).

Almost surely, 2^150065209 is an apocalyptic number.

It is an amenable number.

150065209 is a deficient number, since it is larger than the sum of its proper divisors (21437895).

150065209 is an equidigital number, since it uses as much as digits as its factorization.

150065209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21437894.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 150065209 is about 12250.1105709296. The cubic root of 150065209 is about 531.4062677731.

The spelling of 150065209 in words is "one hundred fifty million, sixty-five thousand, two hundred nine".