99144233 has 2 divisors, whose sum is σ = 99144234. Its totient is φ = 99144232.

The previous prime is 99144229. The next prime is 99144251. The reversal of 99144233 is 33244199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 47706649 = 7172^2 + 6907^2 .

It is a cyclic number.

It is not a de Polignac number, because 99144233 - 2² = 99144229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99144193 and 99144202.

It is not a weakly prime, because it can be changed into another prime (99144203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49572116 + 49572117.

It is an arithmetic number, because the mean of its divisors is an integer number (49572117).

Almost surely, 2^99144233 is an apocalyptic number.

It is an amenable number.

99144233 is a deficient number, since it is larger than the sum of its proper divisors (1).

99144233 is an equidigital number, since it uses as much as digits as its factorization.

99144233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 99144233 is about 9957.1197140539. The cubic root of 99144233 is about 462.8310488870.

The spelling of 99144233 in words is "ninety-nine million, one hundred forty-four thousand, two hundred thirty-three".