147705227 has 4 divisors (see below), whose sum is σ = 147761376. Its totient is φ = 147649080.

The previous prime is 147705211. The next prime is 147705253. The reversal of 147705227 is 722507741.

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

It is a cyclic number.

It is not a de Polignac number, because 147705227 - 2⁴ = 147705211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147705427) 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, 23924 + ... + 29457.

It is an arithmetic number, because the mean of its divisors is an integer number (36940344).

Almost surely, 2^147705227 is an apocalyptic number.

147705227 is a deficient number, since it is larger than the sum of its proper divisors (56149).

147705227 is an equidigital number, since it uses as much as digits as its factorization.

147705227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56148.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 147705227 is about 12153.4039264726. The cubic root of 147705227 is about 528.6058374796.

The spelling of 147705227 in words is "one hundred forty-seven million, seven hundred five thousand, two hundred twenty-seven".