100007245 has 8 divisors (see below), whose sum is σ = 129240216. Its totient is φ = 73851456.

The previous prime is 100007233. The next prime is 100007267. The reversal of 100007245 is 542700001.

It can be written as a sum of positive squares in 4 ways, for example, as 19474569 + 80532676 = 4413^2 + 8974^2 .

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 100007245 - 2⁵ = 100007213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769222 + ... + 769351.

It is an arithmetic number, because the mean of its divisors is an integer number (16155027).

Almost surely, 2^100007245 is an apocalyptic number.

It is an amenable number.

100007245 is a deficient number, since it is larger than the sum of its proper divisors (29232971).

100007245 is a wasteful number, since it uses less digits than its factorization.

100007245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538591.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 100007245 is about 10000.3622434390. The cubic root of 100007245 is about 464.1700925276.

Adding to 100007245 its reverse (542700001), we get a palindrome (642707246).

The spelling of 100007245 in words is "one hundred million, seven thousand, two hundred forty-five".