90243064 has 16 divisors (see below), whose sum is σ = 169382520. Its totient is φ = 45074400.

The previous prime is 90243061. The next prime is 90243073. The reversal of 90243064 is 46034209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90243061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042 + ... + 13774.

Almost surely, 2^90243064 is an apocalyptic number.

It is an amenable number.

90243064 is a deficient number, since it is larger than the sum of its proper divisors (79139456).

90243064 is a wasteful number, since it uses less digits than its factorization.

90243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790 (or 11786 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 90243064 is about 9499.6349403543. The cubic root of 90243064 is about 448.5435446677.

The spelling of 90243064 in words is "ninety million, two hundred forty-three thousand, sixty-four".