100245043 has 2 divisors, whose sum is σ = 100245044. Its totient is φ = 100245042.

The previous prime is 100245029. The next prime is 100245049. The reversal of 100245043 is 340542001.

It is a strong prime.

It is an emirp because it is prime and its reverse (340542001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100245043 - 2⁹ = 100244531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100245043.

It is not a weakly prime, because it can be changed into another prime (100245049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50122521 + 50122522.

It is an arithmetic number, because the mean of its divisors is an integer number (50122522).

Almost surely, 2^100245043 is an apocalyptic number.

100245043 is a deficient number, since it is larger than the sum of its proper divisors (1).

100245043 is an equidigital number, since it uses as much as digits as its factorization.

100245043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100245043 is about 10012.2446534231. The cubic root of 100245043 is about 464.5377037228.

Adding to 100245043 its reverse (340542001), we get a palindrome (440787044).

The spelling of 100245043 in words is "one hundred million, two hundred forty-five thousand, forty-three".