100100149 has 2 divisors, whose sum is σ = 100100150. Its totient is φ = 100100148.

The previous prime is 100100111. The next prime is 100100159. The reversal of 100100149 is 941001001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 240100 = 9993^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 100100149 - 2²³ = 91711541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050074 + 50050075.

It is an arithmetic number, because the mean of its divisors is an integer number (50050075).

Almost surely, 2^100100149 is an apocalyptic number.

It is an amenable number.

100100149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100149 is an equidigital number, since it uses as much as digits as its factorization.

100100149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 100100149 is about 10005.0061968996. The cubic root of 100100149 is about 464.3137818231.

The spelling of 100100149 in words is "one hundred million, one hundred thousand, one hundred forty-nine".