200451149 has 2 divisors, whose sum is σ = 200451150. Its totient is φ = 200451148.

The previous prime is 200451127. The next prime is 200451169. The reversal of 200451149 is 941154002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170824900 + 29626249 = 13070^2 + 5443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200451149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200451169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100225574 + 100225575.

It is an arithmetic number, because the mean of its divisors is an integer number (100225575).

Almost surely, 2^200451149 is an apocalyptic number.

It is an amenable number.

200451149 is a deficient number, since it is larger than the sum of its proper divisors (1).

200451149 is an equidigital number, since it uses as much as digits as its factorization.

200451149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 200451149 is about 14158.0771646435. The cubic root of 200451149 is about 585.2429399818.

The spelling of 200451149 in words is "two hundred million, four hundred fifty-one thousand, one hundred forty-nine".