146398223 has 2 divisors, whose sum is σ = 146398224. Its totient is φ = 146398222.

The previous prime is 146398199. The next prime is 146398267. The reversal of 146398223 is 322893641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146398223 - 2¹⁴ = 146381839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146398423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73199111 + 73199112.

It is an arithmetic number, because the mean of its divisors is an integer number (73199112).

Almost surely, 2^146398223 is an apocalyptic number.

146398223 is a deficient number, since it is larger than the sum of its proper divisors (1).

146398223 is an equidigital number, since it uses as much as digits as its factorization.

146398223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 146398223 is about 12099.5133373206. The cubic root of 146398223 is about 527.0420520293.

The spelling of 146398223 in words is "one hundred forty-six million, three hundred ninety-eight thousand, two hundred twenty-three".