159054197 has 2 divisors, whose sum is σ = 159054198. Its totient is φ = 159054196.

The previous prime is 159054191. The next prime is 159054199. The reversal of 159054197 is 791450951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114083761 + 44970436 = 10681^2 + 6706^2 .

It is a cyclic number.

It is not a de Polignac number, because 159054197 - 2²⁰ = 158005621 is a prime.

Together with 159054199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159054191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79527098 + 79527099.

It is an arithmetic number, because the mean of its divisors is an integer number (79527099).

Almost surely, 2^159054197 is an apocalyptic number.

It is an amenable number.

159054197 is a deficient number, since it is larger than the sum of its proper divisors (1).

159054197 is an equidigital number, since it uses as much as digits as its factorization.

159054197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 159054197 is about 12611.6690806570. The cubic root of 159054197 is about 541.8116984528.

It can be divided in two parts, 15905 and 4197, that added together give a palindrome (20102).

The spelling of 159054197 in words is "one hundred fifty-nine million, fifty-four thousand, one hundred ninety-seven".