103144009 has 2 divisors, whose sum is σ = 103144010. Its totient is φ = 103144008.

The previous prime is 103143979. The next prime is 103144031. The reversal of 103144009 is 900441301.

It is an a-pointer prime, because the next prime (103144031) can be obtained adding 103144009 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81054009 + 22090000 = 9003^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 103144009 - 2²⁵ = 69589577 is a prime.

It is not a weakly prime, because it can be changed into another prime (103144079) 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, 51572004 + 51572005.

It is an arithmetic number, because the mean of its divisors is an integer number (51572005).

Almost surely, 2^103144009 is an apocalyptic number.

It is an amenable number.

103144009 is a deficient number, since it is larger than the sum of its proper divisors (1).

103144009 is an equidigital number, since it uses as much as digits as its factorization.

103144009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 103144009 is about 10155.9839011294. The cubic root of 103144009 is about 468.9731755290.

The spelling of 103144009 in words is "one hundred three million, one hundred forty-four thousand, nine".