99945743 has 2 divisors, whose sum is σ = 99945744. Its totient is φ = 99945742.

The previous prime is 99945739. The next prime is 99945749. The reversal of 99945743 is 34754999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99945743 - 2² = 99945739 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 99945691 and 99945700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99945749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49972871 + 49972872.

It is an arithmetic number, because the mean of its divisors is an integer number (49972872).

Almost surely, 2^99945743 is an apocalyptic number.

99945743 is a deficient number, since it is larger than the sum of its proper divisors (1).

99945743 is an equidigital number, since it uses as much as digits as its factorization.

99945743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 99945743 is about 9997.2867819224. The cubic root of 99945743 is about 464.0749219460.

The spelling of 99945743 in words is "ninety-nine million, nine hundred forty-five thousand, seven hundred forty-three".