147915227 has 4 divisors (see below), whose sum is σ = 151355160. Its totient is φ = 144475296.

The previous prime is 147915217. The next prime is 147915253. The reversal of 147915227 is 722519741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722519741 = 1783 ⋅405227.

It is a cyclic number.

It is not a de Polignac number, because 147915227 - 2⁸ = 147914971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147915217) 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, 1719902 + ... + 1719987.

It is an arithmetic number, because the mean of its divisors is an integer number (37838790).

Almost surely, 2^147915227 is an apocalyptic number.

147915227 is a deficient number, since it is larger than the sum of its proper divisors (3439933).

147915227 is an equidigital number, since it uses as much as digits as its factorization.

147915227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439932.

The product of its digits is 35280, while the sum is 38.

The square root of 147915227 is about 12162.0404126939. The cubic root of 147915227 is about 528.8562340780.

The spelling of 147915227 in words is "one hundred forty-seven million, nine hundred fifteen thousand, two hundred twenty-seven".