100814149 has 2 divisors, whose sum is σ = 100814150. Its totient is φ = 100814148.

The previous prime is 100814143. The next prime is 100814167. The reversal of 100814149 is 941418001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99800100 + 1014049 = 9990^2 + 1007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100814149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100814143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50407074 + 50407075.

It is an arithmetic number, because the mean of its divisors is an integer number (50407075).

Almost surely, 2^100814149 is an apocalyptic number.

It is an amenable number.

100814149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100814149 is an equidigital number, since it uses as much as digits as its factorization.

100814149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 100814149 is about 10040.6249307501. The cubic root of 100814149 is about 465.4151285709.

The spelling of 100814149 in words is "one hundred million, eight hundred fourteen thousand, one hundred forty-nine".