89445164 has 12 divisors (see below), whose sum is σ = 161926800. Its totient is φ = 43180368.

The previous prime is 89445163. The next prime is 89445173. The reversal of 89445164 is 46154498.

It is not an unprimeable number, because it can be changed into a prime (89445163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385424 + ... + 385655.

It is an arithmetic number, because the mean of its divisors is an integer number (13493900).

Almost surely, 2^89445164 is an apocalyptic number.

It is an amenable number.

89445164 is a deficient number, since it is larger than the sum of its proper divisors (72481636).

89445164 is a wasteful number, since it uses less digits than its factorization.

89445164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771112 (or 771110 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 89445164 is about 9457.5453474990. The cubic root of 89445164 is about 447.2176702962.

The spelling of 89445164 in words is "eighty-nine million, four hundred forty-five thousand, one hundred sixty-four".