147287273 has 8 divisors (see below), whose sum is σ = 168816192. Its totient is φ = 125880336.

The previous prime is 147287267. The next prime is 147287321. The reversal of 147287273 is 372782741.

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 147287273 - 2⁸ = 147287017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147287273.

It is not an unprimeable number, because it can be changed into a prime (147287233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27890 + ... + 32747.

It is an arithmetic number, because the mean of its divisors is an integer number (21102024).

Almost surely, 2^147287273 is an apocalyptic number.

It is an amenable number.

147287273 is a deficient number, since it is larger than the sum of its proper divisors (21528919).

147287273 is an equidigital number, since it uses as much as digits as its factorization.

147287273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60991.

The product of its digits is 131712, while the sum is 41.

The square root of 147287273 is about 12136.1968095446. The cubic root of 147287273 is about 528.1067767389.

The spelling of 147287273 in words is "one hundred forty-seven million, two hundred eighty-seven thousand, two hundred seventy-three".