146403227 has 4 divisors (see below), whose sum is σ = 154108680. Its totient is φ = 138697776.

The previous prime is 146403221. The next prime is 146403239. The reversal of 146403227 is 722304641.

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 146403227 - 2⁶ = 146403163 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 146403227.

It is not an unprimeable number, because it can be changed into a prime (146403221) 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, 3852698 + ... + 3852735.

It is an arithmetic number, because the mean of its divisors is an integer number (38527170).

Almost surely, 2^146403227 is an apocalyptic number.

146403227 is a deficient number, since it is larger than the sum of its proper divisors (7705453).

146403227 is an equidigital number, since it uses as much as digits as its factorization.

146403227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705452.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 146403227 is about 12099.7201207301. The cubic root of 146403227 is about 527.0480568571.

Adding to 146403227 its reverse (722304641), we get a palindrome (868707868).

The spelling of 146403227 in words is "one hundred forty-six million, four hundred three thousand, two hundred twenty-seven".