89523145 has 8 divisors (see below), whose sum is σ = 111132360. Its totient is φ = 69148800.

The previous prime is 89523097. The next prime is 89523167. The reversal of 89523145 is 54132598.

It can be written as a sum of positive squares in 4 ways, for example, as 1557504 + 87965641 = 1248^2 + 9379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89523145 - 2¹¹ = 89521097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308556 + ... + 308845.

It is an arithmetic number, because the mean of its divisors is an integer number (13891545).

Almost surely, 2^89523145 is an apocalyptic number.

It is an amenable number.

89523145 is a deficient number, since it is larger than the sum of its proper divisors (21609215).

89523145 is a wasteful number, since it uses less digits than its factorization.

89523145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617435.

The product of its digits is 43200, while the sum is 37.

The square root of 89523145 is about 9461.6671363983. The cubic root of 89523145 is about 447.3475985100.

The spelling of 89523145 in words is "eighty-nine million, five hundred twenty-three thousand, one hundred forty-five".