90563345 has 8 divisors (see below), whose sum is σ = 110457960. Its totient is φ = 71262720.

The previous prime is 90563323. The next prime is 90563353. The reversal of 90563345 is 54336509.

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 83740801 = 2612^2 + 9151^2 .

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

It is not a de Polignac number, because 90563345 - 2⁸ = 90563089 is a prime.

It is a Curzon 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, 148160 + ... + 148769.

It is an arithmetic number, because the mean of its divisors is an integer number (13807245).

Almost surely, 2^90563345 is an apocalyptic number.

It is an amenable number.

90563345 is a deficient number, since it is larger than the sum of its proper divisors (19894615).

90563345 is a wasteful number, since it uses less digits than its factorization.

90563345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296995.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 90563345 is about 9516.4775521198. The cubic root of 90563345 is about 449.0735590119.

The spelling of 90563345 in words is "ninety million, five hundred sixty-three thousand, three hundred forty-five".