99853145 has 32 divisors (see below), whose sum is σ = 141474816. Its totient is φ = 66240000.

The previous prime is 99853111. The next prime is 99853183. The reversal of 99853145 is 54135899.

It is a happy number.

It is not a de Polignac number, because 99853145 - 2⁸ = 99852889 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99853096 and 99853105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165845 + ... + 166445.

It is an arithmetic number, because the mean of its divisors is an integer number (4421088).

Almost surely, 2^99853145 is an apocalyptic number.

It is an amenable number.

99853145 is a deficient number, since it is larger than the sum of its proper divisors (41621671).

99853145 is a wasteful number, since it uses less digits than its factorization.

99853145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 194400, while the sum is 44.

The square root of 99853145 is about 9992.6545522198. The cubic root of 99853145 is about 463.9315585363.

The spelling of 99853145 in words is "ninety-nine million, eight hundred fifty-three thousand, one hundred forty-five".