162445417 has 2 divisors, whose sum is σ = 162445418. Its totient is φ = 162445416.

The previous prime is 162445397. The next prime is 162445427. The reversal of 162445417 is 714544261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137804121 + 24641296 = 11739^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 162445417 - 2⁷ = 162445289 is a prime.

It is equal to p_9103849 and since 162445417 and 9103849 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (162445427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81222708 + 81222709.

It is an arithmetic number, because the mean of its divisors is an integer number (81222709).

Almost surely, 2^162445417 is an apocalyptic number.

It is an amenable number.

162445417 is a deficient number, since it is larger than the sum of its proper divisors (1).

162445417 is an equidigital number, since it uses as much as digits as its factorization.

162445417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 162445417 is about 12745.4076827695. The cubic root of 162445417 is about 545.6353357163.

Adding to 162445417 its reverse (714544261), we get a palindrome (876989678).

The spelling of 162445417 in words is "one hundred sixty-two million, four hundred forty-five thousand, four hundred seventeen".