99434145 has 8 divisors (see below), whose sum is σ = 159094656. Its totient is φ = 53031536.

The previous prime is 99434141. The next prime is 99434161. The reversal of 99434145 is 54143499.

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 99434145 - 2² = 99434141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99434141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3314457 + ... + 3314486.

It is an arithmetic number, because the mean of its divisors is an integer number (19886832).

Almost surely, 2^99434145 is an apocalyptic number.

It is an amenable number.

99434145 is a deficient number, since it is larger than the sum of its proper divisors (59660511).

99434145 is a wasteful number, since it uses less digits than its factorization.

99434145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628951.

The product of its digits is 77760, while the sum is 39.

The square root of 99434145 is about 9971.6671123739. The cubic root of 99434145 is about 463.2817380683.

The spelling of 99434145 in words is "ninety-nine million, four hundred thirty-four thousand, one hundred forty-five".