146040227 has 2 divisors, whose sum is σ = 146040228. Its totient is φ = 146040226.

The previous prime is 146040203. The next prime is 146040229. The reversal of 146040227 is 722040641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146040227 is a prime.

Together with 146040229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146040196 and 146040205.

It is not a weakly prime, because it can be changed into another prime (146040229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73020113 + 73020114.

It is an arithmetic number, because the mean of its divisors is an integer number (73020114).

Almost surely, 2^146040227 is an apocalyptic number.

146040227 is a deficient number, since it is larger than the sum of its proper divisors (1).

146040227 is an equidigital number, since it uses as much as digits as its factorization.

146040227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 146040227 is about 12084.7104640533. The cubic root of 146040227 is about 526.6120992888.

Adding to 146040227 its reverse (722040641), we get a palindrome (868080868).

The spelling of 146040227 in words is "one hundred forty-six million, forty thousand, two hundred twenty-seven".