90243082 has 4 divisors (see below), whose sum is σ = 135364626. Its totient is φ = 45121540.

The previous prime is 90243079. The next prime is 90243113. The reversal of 90243082 is 28034209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28034209 = 7 ⋅4004887.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 7778521 = 9081^2 + 2789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90243082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560769 + ... + 22560772.

Almost surely, 2^90243082 is an apocalyptic number.

90243082 is a deficient number, since it is larger than the sum of its proper divisors (45121544).

90243082 is a wasteful number, since it uses less digits than its factorization.

90243082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45121543.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 90243082 is about 9499.6358877591. The cubic root of 90243082 is about 448.5435744901.

The spelling of 90243082 in words is "ninety million, two hundred forty-three thousand, eighty-two".