99500143 has 2 divisors, whose sum is σ = 99500144. Its totient is φ = 99500142.

The previous prime is 99500119. The next prime is 99500161. The reversal of 99500143 is 34100599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99500143 is a prime.

It is equal to p_5734264 and since 99500143 and 5734264 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99500183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49750071 + 49750072.

It is an arithmetic number, because the mean of its divisors is an integer number (49750072).

Almost surely, 2^99500143 is an apocalyptic number.

99500143 is a deficient number, since it is larger than the sum of its proper divisors (1).

99500143 is an equidigital number, since it uses as much as digits as its factorization.

99500143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 99500143 is about 9974.9758395697. The cubic root of 99500143 is about 463.3842142882.

The spelling of 99500143 in words is "ninety-nine million, five hundred thousand, one hundred forty-three".