147584009 has 8 divisors (see below), whose sum is σ = 151749960. Its totient is φ = 143427456.

The previous prime is 147583993. The next prime is 147584023. The reversal of 147584009 is 900485741.

It can be written as a sum of positive squares in 4 ways, for example, as 40005625 + 107578384 = 6325^2 + 10372^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 147584009 - 2⁴ = 147583993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147584029) 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 7 ways as a sum of consecutive naturals, for example, 40007 + ... + 43539.

It is an arithmetic number, because the mean of its divisors is an integer number (18968745).

Almost surely, 2^147584009 is an apocalyptic number.

It is an amenable number.

147584009 is a deficient number, since it is larger than the sum of its proper divisors (4165951).

147584009 is a wasteful number, since it uses less digits than its factorization.

147584009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 147584009 is about 12148.4159049647. The cubic root of 147584009 is about 528.4611933566.

The spelling of 147584009 in words is "one hundred forty-seven million, five hundred eighty-four thousand, nine".