147284609 has 4 divisors (see below), whose sum is σ = 147311616. Its totient is φ = 147257604.

The previous prime is 147284603. The next prime is 147284629. The reversal of 147284609 is 906482741.

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 147284609 - 2⁴ = 147284593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147284603) 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 3 ways as a sum of consecutive naturals, for example, 2129 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (36827904).

Almost surely, 2^147284609 is an apocalyptic number.

It is an amenable number.

147284609 is a deficient number, since it is larger than the sum of its proper divisors (27007).

147284609 is an equidigital number, since it uses as much as digits as its factorization.

147284609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27006.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 147284609 is about 12136.0870547306. The cubic root of 147284609 is about 528.1035927459.

The spelling of 147284609 in words is "one hundred forty-seven million, two hundred eighty-four thousand, six hundred nine".