147544009 has 2 divisors, whose sum is σ = 147544010. Its totient is φ = 147544008.

The previous prime is 147543989. The next prime is 147544039. The reversal of 147544009 is 900445741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147088384 + 455625 = 12128^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 147544009 - 2²⁷ = 13326281 is a prime.

It is not a weakly prime, because it can be changed into another prime (147544039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73772004 + 73772005.

It is an arithmetic number, because the mean of its divisors is an integer number (73772005).

Almost surely, 2^147544009 is an apocalyptic number.

It is an amenable number.

147544009 is a deficient number, since it is larger than the sum of its proper divisors (1).

147544009 is an equidigital number, since it uses as much as digits as its factorization.

147544009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 147544009 is about 12146.7694882220. The cubic root of 147544009 is about 528.4134457316.

The spelling of 147544009 in words is "one hundred forty-seven million, five hundred forty-four thousand, nine".