162445223 has 2 divisors, whose sum is σ = 162445224. Its totient is φ = 162445222.

The previous prime is 162445169. The next prime is 162445229. The reversal of 162445223 is 322544261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162445223 - 2⁸ = 162444967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162445229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81222611 + 81222612.

It is an arithmetic number, because the mean of its divisors is an integer number (81222612).

Almost surely, 2^162445223 is an apocalyptic number.

162445223 is a deficient number, since it is larger than the sum of its proper divisors (1).

162445223 is an equidigital number, since it uses as much as digits as its factorization.

162445223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 162445223 is about 12745.4000721829. The cubic root of 162445223 is about 545.6351185084.

Adding to 162445223 its reverse (322544261), we get a palindrome (484989484).

The spelling of 162445223 in words is "one hundred sixty-two million, four hundred forty-five thousand, two hundred twenty-three".