147648289 has 4 divisors (see below), whose sum is σ = 148071700. Its totient is φ = 147224880.

The previous prime is 147648287. The next prime is 147648307. The reversal of 147648289 is 982846741.

It is a happy number.

147648289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87740689 + 59907600 = 9367^2 + 7740^2 .

It is a cyclic number.

It is not a de Polignac number, because 147648289 - 2¹ = 147648287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147648287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211182 + ... + 211879.

It is an arithmetic number, because the mean of its divisors is an integer number (37017925).

Almost surely, 2^147648289 is an apocalyptic number.

It is an amenable number.

147648289 is a deficient number, since it is larger than the sum of its proper divisors (423411).

147648289 is an equidigital number, since it uses as much as digits as its factorization.

147648289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423410.

The product of its digits is 774144, while the sum is 49.

The square root of 147648289 is about 12151.0612293742. The cubic root of 147648289 is about 528.5379057212.

The spelling of 147648289 in words is "one hundred forty-seven million, six hundred forty-eight thousand, two hundred eighty-nine".