145000223 has 2 divisors, whose sum is σ = 145000224. Its totient is φ = 145000222.

The previous prime is 145000201. The next prime is 145000243. The reversal of 145000223 is 322000541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145000223 - 2¹² = 144996127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145000243) 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, 72500111 + 72500112.

It is an arithmetic number, because the mean of its divisors is an integer number (72500112).

Almost surely, 2^145000223 is an apocalyptic number.

145000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000223 is an equidigital number, since it uses as much as digits as its factorization.

145000223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 145000223 is about 12041.6038383597. The cubic root of 145000223 is about 525.3590565710.

Adding to 145000223 its reverse (322000541), we get a palindrome (467000764).

The spelling of 145000223 in words is "one hundred forty-five million, two hundred twenty-three", and thus it is an aban number.