100380143 has 2 divisors, whose sum is σ = 100380144. Its totient is φ = 100380142.

The previous prime is 100380131. The next prime is 100380167. The reversal of 100380143 is 341083001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100380143 - 2⁶ = 100380079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100388143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50190071 + 50190072.

It is an arithmetic number, because the mean of its divisors is an integer number (50190072).

Almost surely, 2^100380143 is an apocalyptic number.

100380143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100380143 is an equidigital number, since it uses as much as digits as its factorization.

100380143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100380143 is about 10018.9891206648. The cubic root of 100380143 is about 464.7462954882.

The spelling of 100380143 in words is "one hundred million, three hundred eighty thousand, one hundred forty-three".