990082945 has 4 divisors (see below), whose sum is σ = 1188099540. Its totient is φ = 792066352.

The previous prime is 990082937. The next prime is 990082967. The reversal of 990082945 is 549280099.

990082945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549280099 = 4447 ⋅123517.

It can be written as a sum of positive squares in 2 ways, for example, as 293334129 + 696748816 = 17127^2 + 26396^2 .

It is a cyclic number.

It is not a de Polignac number, because 990082945 - 2³ = 990082937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990082895 and 990082904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99008290 + ... + 99008299.

It is an arithmetic number, because the mean of its divisors is an integer number (297024885).

Almost surely, 2^990082945 is an apocalyptic number.

It is an amenable number.

990082945 is a deficient number, since it is larger than the sum of its proper divisors (198016595).

990082945 is a wasteful number, since it uses less digits than its factorization.

990082945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198016594.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 990082945 is about 31465.5835000719. The cubic root of 990082945 is about 996.6833268406.

The spelling of 990082945 in words is "nine hundred ninety million, eighty-two thousand, nine hundred forty-five".