103214149 has 2 divisors, whose sum is σ = 103214150. Its totient is φ = 103214148.

The previous prime is 103214143. The next prime is 103214173. The reversal of 103214149 is 941412301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101304225 + 1909924 = 10065^2 + 1382^2 .

It is an emirp because it is prime and its reverse (941412301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103214149 - 2³ = 103214141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103214141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51607074 + 51607075.

It is an arithmetic number, because the mean of its divisors is an integer number (51607075).

Almost surely, 2^103214149 is an apocalyptic number.

It is an amenable number.

103214149 is a deficient number, since it is larger than the sum of its proper divisors (1).

103214149 is an equidigital number, since it uses as much as digits as its factorization.

103214149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103214149 is about 10159.4364509061. The cubic root of 103214149 is about 469.0794551715.

The spelling of 103214149 in words is "one hundred three million, two hundred fourteen thousand, one hundred forty-nine".