810298145 has 8 divisors (see below), whose sum is σ = 979456104. Its totient is φ = 643506304.

The previous prime is 810298103. The next prime is 810298147. The reversal of 810298145 is 541892018.

It can be written as a sum of positive squares in 4 ways, for example, as 109160704 + 701137441 = 10448^2 + 26479^2 .

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 810298145 - 2¹⁰ = 810297121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 810298099 and 810298108.

It is not an unprimeable number, because it can be changed into a prime (810298147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590774 + ... + 592143.

It is an arithmetic number, because the mean of its divisors is an integer number (122432013).

Almost surely, 2^810298145 is an apocalyptic number.

It is an amenable number.

810298145 is a deficient number, since it is larger than the sum of its proper divisors (169157959).

810298145 is a wasteful number, since it uses less digits than its factorization.

810298145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183059.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 810298145 is about 28465.7363333535. The cubic root of 810298145 is about 932.2841088472.

The spelling of 810298145 in words is "eight hundred ten million, two hundred ninety-eight thousand, one hundred forty-five".