100265149 has 2 divisors, whose sum is σ = 100265150. Its totient is φ = 100265148.

The previous prime is 100265111. The next prime is 100265161. The reversal of 100265149 is 941562001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 32285124 = 8245^2 + 5682^2 .

It is a cyclic number.

It is not a de Polignac number, because 100265149 - 2¹¹ = 100263101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100215149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50132574 + 50132575.

It is an arithmetic number, because the mean of its divisors is an integer number (50132575).

Almost surely, 2^100265149 is an apocalyptic number.

It is an amenable number.

100265149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100265149 is an equidigital number, since it uses as much as digits as its factorization.

100265149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 100265149 is about 10013.2486736323. The cubic root of 100265149 is about 464.5687588601.

The spelling of 100265149 in words is "one hundred million, two hundred sixty-five thousand, one hundred forty-nine".