89180045 has 8 divisors (see below), whose sum is σ = 113311224. Its totient is φ = 67147264.

The previous prime is 89180033. The next prime is 89180081. The reversal of 89180045 is 54008198.

It can be written as a sum of positive squares in 4 ways, for example, as 42367081 + 46812964 = 6509^2 + 6842^2 .

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 89180045 - 2⁸ = 89179789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89179987 and 89180014.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 524504 + ... + 524673.

It is an arithmetic number, because the mean of its divisors is an integer number (14163903).

Almost surely, 2^89180045 is an apocalyptic number.

89180045 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89180045 is a deficient number, since it is larger than the sum of its proper divisors (24131179).

89180045 is a wasteful number, since it uses less digits than its factorization.

89180045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049199.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 89180045 is about 9443.5186768492. The cubic root of 89180045 is about 446.7753760674.

The spelling of 89180045 in words is "eighty-nine million, one hundred eighty thousand, forty-five".