202165157 has 2 divisors, whose sum is σ = 202165158. Its totient is φ = 202165156.

The previous prime is 202165153. The next prime is 202165199. The reversal of 202165157 is 751561202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183494116 + 18671041 = 13546^2 + 4321^2 .

It is a cyclic number.

It is not a de Polignac number, because 202165157 - 2² = 202165153 is a prime.

It is a Chen prime.

It is equal to p_11192258 and since 202165157 and 11192258 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202165153) 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, 101082578 + 101082579.

It is an arithmetic number, because the mean of its divisors is an integer number (101082579).

Almost surely, 2^202165157 is an apocalyptic number.

It is an amenable number.

202165157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202165157 is an equidigital number, since it uses as much as digits as its factorization.

202165157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 202165157 is about 14218.4794194035. The cubic root of 202165157 is about 586.9062969863.

The spelling of 202165157 in words is "two hundred two million, one hundred sixty-five thousand, one hundred fifty-seven".