99948145 has 16 divisors (see below), whose sum is σ = 131243328. Its totient is φ = 72466240.

The previous prime is 99948131. The next prime is 99948187. The reversal of 99948145 is 54184999.

It is a happy number.

It is not a de Polignac number, because 99948145 - 2¹¹ = 99946097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16467 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (8202708).

Almost surely, 2^99948145 is an apocalyptic number.

It is an amenable number.

99948145 is a deficient number, since it is larger than the sum of its proper divisors (31295183).

99948145 is a wasteful number, since it uses less digits than its factorization.

99948145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600.

The product of its digits is 466560, while the sum is 49.

The square root of 99948145 is about 9997.4069137952. The cubic root of 99948145 is about 464.0786396266.

The spelling of 99948145 in words is "ninety-nine million, nine hundred forty-eight thousand, one hundred forty-five".