1000302145 has 4 divisors (see below), whose sum is σ = 1200362580. Its totient is φ = 800241712.

The previous prime is 1000302053. The next prime is 1000302167. The reversal of 1000302145 is 5412030001.

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 178275904 + 822026241 = 13352^2 + 28671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000302145 - 2⁹ = 1000301633 is a prime.

It is an unprimeable number.

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, 100030210 + ... + 100030219.

It is an arithmetic number, because the mean of its divisors is an integer number (300090645).

Almost surely, 2^1000302145 is an apocalyptic number.

It is an amenable number.

1000302145 is a deficient number, since it is larger than the sum of its proper divisors (200060435).

1000302145 is an equidigital number, since it uses as much as digits as its factorization.

1000302145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200060434.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1000302145 is about 31627.5535727947. The cubic root of 1000302145 is about 1000.1007048582.

Adding to 1000302145 its reverse (5412030001), we get a palindrome (6412332146).

The spelling of 1000302145 in words is "one billion, three hundred two thousand, one hundred forty-five".