146381227 has 2 divisors, whose sum is σ = 146381228. Its totient is φ = 146381226.

The previous prime is 146381189. The next prime is 146381267. The reversal of 146381227 is 722183641.

It is a weak prime.

It is an emirp because it is prime and its reverse (722183641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146381227 - 2⁷ = 146381099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146381192 and 146381201.

It is not a weakly prime, because it can be changed into another prime (146381267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73190613 + 73190614.

It is an arithmetic number, because the mean of its divisors is an integer number (73190614).

Almost surely, 2^146381227 is an apocalyptic number.

146381227 is a deficient number, since it is larger than the sum of its proper divisors (1).

146381227 is an equidigital number, since it uses as much as digits as its factorization.

146381227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 146381227 is about 12098.8109746371. The cubic root of 146381227 is about 527.0216557130.

The spelling of 146381227 in words is "one hundred forty-six million, three hundred eighty-one thousand, two hundred twenty-seven".