147065209 has 8 divisors (see below), whose sum is σ = 155040768. Its totient is φ = 139291680.

The previous prime is 147065207. The next prime is 147065221. The reversal of 147065209 is 902560741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147065209 - 2¹ = 147065207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147065207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49012 + ... + 51925.

It is an arithmetic number, because the mean of its divisors is an integer number (19380096).

Almost surely, 2^147065209 is an apocalyptic number.

It is an amenable number.

147065209 is a deficient number, since it is larger than the sum of its proper divisors (7975559).

147065209 is a wasteful number, since it uses less digits than its factorization.

147065209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101015.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 147065209 is about 12127.0445286558. The cubic root of 147065209 is about 527.8412356011.

The spelling of 147065209 in words is "one hundred forty-seven million, sixty-five thousand, two hundred nine".