99144373 has 2 divisors, whose sum is σ = 99144374. Its totient is φ = 99144372.

The previous prime is 99144361. The next prime is 99144407. The reversal of 99144373 is 37344199.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77827684 + 21316689 = 8822^2 + 4617^2 .

It is a cyclic number.

It is not a de Polignac number, because 99144373 - 2⁹ = 99143861 is a prime.

It is a congruent number.

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, 49572186 + 49572187.

It is an arithmetic number, because the mean of its divisors is an integer number (49572187).

Almost surely, 2^99144373 is an apocalyptic number.

It is an amenable number.

99144373 is a deficient number, since it is larger than the sum of its proper divisors (1).

99144373 is an equidigital number, since it uses as much as digits as its factorization.

99144373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 99144373 is about 9957.1267441968. The cubic root of 99144373 is about 462.8312667390.

The spelling of 99144373 in words is "ninety-nine million, one hundred forty-four thousand, three hundred seventy-three".