100043245945 has 8 divisors (see below), whose sum is σ = 122843799936. Its totient is φ = 78173326896.

The previous prime is 100043245937. The next prime is 100043245961. The reversal of 100043245945 is 549542340001.

It is a happy number.

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 100043245945 - 2³ = 100043245937 is a prime.

It is a Duffinian 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, 232658497 + ... + 232658926.

It is an arithmetic number, because the mean of its divisors is an integer number (15355474992).

Almost surely, 2^100043245945 is an apocalyptic number.

It is an amenable number.

100043245945 is a deficient number, since it is larger than the sum of its proper divisors (22800553991).

100043245945 is an equidigital number, since it uses as much as digits as its factorization.

100043245945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465317471.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 100043245945 its reverse (549542340001), we get a palindrome (649585585946).

The spelling of 100043245945 in words is "one hundred billion, forty-three million, two hundred forty-five thousand, nine hundred forty-five".