100388143 has 2 divisors, whose sum is σ = 100388144. Its totient is φ = 100388142.

The previous prime is 100388129. The next prime is 100388147. The reversal of 100388143 is 341883001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100388143 - 2¹⁷ = 100257071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100388147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50194071 + 50194072.

It is an arithmetic number, because the mean of its divisors is an integer number (50194072).

Almost surely, 2^100388143 is an apocalyptic number.

100388143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100388143 is an equidigital number, since it uses as much as digits as its factorization.

100388143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 100388143 is about 10019.3883545853. The cubic root of 100388143 is about 464.7586414611.

It can be divided in two parts, 10038 and 8143, that added together give a palindrome (18181).

The spelling of 100388143 in words is "one hundred million, three hundred eighty-eight thousand, one hundred forty-three".