99144361 has 2 divisors, whose sum is σ = 99144362. Its totient is φ = 99144360.

The previous prime is 99144347. The next prime is 99144373. The reversal of 99144361 is 16344199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 48734361 = 7100^2 + 6981^2 .

It is a cyclic number.

It is not a de Polignac number, because 99144361 - 2⁷ = 99144233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99144361.

It is not a weakly prime, because it can be changed into another prime (99144061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49572180 + 49572181.

It is an arithmetic number, because the mean of its divisors is an integer number (49572181).

Almost surely, 2^99144361 is an apocalyptic number.

It is an amenable number.

99144361 is a deficient number, since it is larger than the sum of its proper divisors (1).

99144361 is an equidigital number, since it uses as much as digits as its factorization.

99144361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 99144361 is about 9957.1261416134. The cubic root of 99144361 is about 462.8312480660.

The spelling of 99144361 in words is "ninety-nine million, one hundred forty-four thousand, three hundred sixty-one".