99411145 has 8 divisors (see below), whose sum is σ = 119725704. Its totient is φ = 79240704.

The previous prime is 99411139. The next prime is 99411187. The reversal of 99411145 is 54111499.

It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 93954249 = 2336^2 + 9693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99411145 - 2¹⁹ = 98886857 is a prime.

It is a super-2 number, since 2×99411145² = 19765151500422050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99411145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34504 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (14965713).

Almost surely, 2^99411145 is an apocalyptic number.

It is an amenable number.

99411145 is a deficient number, since it is larger than the sum of its proper divisors (20314559).

99411145 is a wasteful number, since it uses less digits than its factorization.

99411145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72059.

The product of its digits is 6480, while the sum is 34.

The square root of 99411145 is about 9970.5137781360. The cubic root of 99411145 is about 463.2460149216.

The spelling of 99411145 in words is "ninety-nine million, four hundred eleven thousand, one hundred forty-five".