99144347 has 2 divisors, whose sum is σ = 99144348. Its totient is φ = 99144346.

The previous prime is 99144343. The next prime is 99144361. The reversal of 99144347 is 74344199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99144347 - 2² = 99144343 is a prime.

It is not a weakly prime, because it can be changed into another prime (99144343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49572173 + 49572174.

It is an arithmetic number, because the mean of its divisors is an integer number (49572174).

Almost surely, 2^99144347 is an apocalyptic number.

99144347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99144347 is an equidigital number, since it uses as much as digits as its factorization.

99144347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 99144347 is about 9957.1254385992. The cubic root of 99144347 is about 462.8312262808.

The spelling of 99144347 in words is "ninety-nine million, one hundred forty-four thousand, three hundred forty-seven".