200218157 has 2 divisors, whose sum is σ = 200218158. Its totient is φ = 200218156.

The previous prime is 200218147. The next prime is 200218169. The reversal of 200218157 is 751812002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 57320041 = 11954^2 + 7571^2 .

It is a cyclic number.

It is not a de Polignac number, because 200218157 - 2²⁶ = 133109293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200218147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100109078 + 100109079.

It is an arithmetic number, because the mean of its divisors is an integer number (100109079).

Almost surely, 2^200218157 is an apocalyptic number.

It is an amenable number.

200218157 is a deficient number, since it is larger than the sum of its proper divisors (1).

200218157 is an equidigital number, since it uses as much as digits as its factorization.

200218157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 200218157 is about 14149.8465362703. The cubic root of 200218157 is about 585.0161020235.

The spelling of 200218157 in words is "two hundred million, two hundred eighteen thousand, one hundred fifty-seven".