803316145 has 4 divisors (see below), whose sum is σ = 963979380. Its totient is φ = 642652912.

The previous prime is 803316127. The next prime is 803316149. The reversal of 803316145 is 541613308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323136576 + 480179569 = 17976^2 + 21913^2 .

It is a cyclic number.

It is not a de Polignac number, because 803316145 - 2⁹ = 803315633 is a prime.

It is a super-2 number, since 2×803316145² = 1290633657635322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (803316149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80331610 + ... + 80331619.

It is an arithmetic number, because the mean of its divisors is an integer number (240994845).

Almost surely, 2^803316145 is an apocalyptic number.

It is an amenable number.

803316145 is a deficient number, since it is larger than the sum of its proper divisors (160663235).

803316145 is a wasteful number, since it uses less digits than its factorization.

803316145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160663234.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 803316145 is about 28342.8323390588. The cubic root of 803316145 is about 929.5986802768.

The spelling of 803316145 in words is "eight hundred three million, three hundred sixteen thousand, one hundred forty-five".