100302245 has 4 divisors (see below), whose sum is σ = 120362700. Its totient is φ = 80241792.

The previous prime is 100302211. The next prime is 100302259. The reversal of 100302245 is 542203001.

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 18887716 + 81414529 = 4346^2 + 9023^2 .

It is a cyclic number.

It is not a de Polignac number, because 100302245 - 2¹⁰ = 100301221 is a prime.

It is a congruent number.

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, 10030220 + ... + 10030229.

It is an arithmetic number, because the mean of its divisors is an integer number (30090675).

Almost surely, 2^100302245 is an apocalyptic number.

It is an amenable number.

100302245 is a deficient number, since it is larger than the sum of its proper divisors (20060455).

100302245 is an equidigital number, since it uses as much as digits as its factorization.

100302245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20060454.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 100302245 is about 10015.1008482192. The cubic root of 100302245 is about 464.6260453580.

Adding to 100302245 its reverse (542203001), we get a palindrome (642505246).

The spelling of 100302245 in words is "one hundred million, three hundred two thousand, two hundred forty-five".