162243101 has 2 divisors, whose sum is σ = 162243102. Its totient is φ = 162243100.

The previous prime is 162243089. The next prime is 162243131. The reversal of 162243101 is 101342261.

162243101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127125625 + 35117476 = 11275^2 + 5926^2 .

It is an emirp because it is prime and its reverse (101342261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162243101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162243131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81121550 + 81121551.

It is an arithmetic number, because the mean of its divisors is an integer number (81121551).

Almost surely, 2^162243101 is an apocalyptic number.

It is an amenable number.

162243101 is a deficient number, since it is larger than the sum of its proper divisors (1).

162243101 is an equidigital number, since it uses as much as digits as its factorization.

162243101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 162243101 is about 12737.4683905398. The cubic root of 162243101 is about 545.4087229444.

Adding to 162243101 its reverse (101342261), we get a palindrome (263585362).

The spelling of 162243101 in words is "one hundred sixty-two million, two hundred forty-three thousand, one hundred one".