99929145 has 16 divisors (see below), whose sum is σ = 169292160. Its totient is φ = 50160384.

The previous prime is 99929143. The next prime is 99929147. The reversal of 99929145 is 54192999.

It is an interprime number because it is at equal distance from previous prime (99929143) and next prime (99929147).

It is not a de Polignac number, because 99929145 - 2¹ = 99929143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99929094 and 99929103.

It is not an unprimeable number, because it can be changed into a prime (99929143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195685 + ... + 196194.

It is an arithmetic number, because the mean of its divisors is an integer number (10580760).

Almost surely, 2^99929145 is an apocalyptic number.

It is an amenable number.

99929145 is a deficient number, since it is larger than the sum of its proper divisors (69363015).

99929145 is a wasteful number, since it uses less digits than its factorization.

99929145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391904.

The product of its digits is 262440, while the sum is 48.

The square root of 99929145 is about 9996.4566222237. The cubic root of 99929145 is about 464.0492308668.

The spelling of 99929145 in words is "ninety-nine million, nine hundred twenty-nine thousand, one hundred forty-five".