89230145 has 16 divisors (see below), whose sum is σ = 110149200. Its totient is φ = 69350400.

The previous prime is 89230103. The next prime is 89230151. The reversal of 89230145 is 54103298.

It can be written as a sum of positive squares in 8 ways, for example, as 10233601 + 78996544 = 3199^2 + 8888^2 .

It is a de Polignac number, because none of the positive numbers 2^k-89230145 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56831 + ... + 58379.

It is an arithmetic number, because the mean of its divisors is an integer number (6884325).

Almost surely, 2^89230145 is an apocalyptic number.

It is an amenable number.

89230145 is a deficient number, since it is larger than the sum of its proper divisors (20919055).

89230145 is a wasteful number, since it uses less digits than its factorization.

89230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 89230145 is about 9446.1709173612. The cubic root of 89230145 is about 446.8590242875.

The spelling of 89230145 in words is "eighty-nine million, two hundred thirty thousand, one hundred forty-five".