100223454245 has 4 divisors (see below), whose sum is σ = 120268145100. Its totient is φ = 80178763392.

The previous prime is 100223454209. The next prime is 100223454271. The reversal of 100223454245 is 542454322001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542454322001 = 385997 ⋅1405333.

It can be written as a sum of positive squares in 2 ways, for example, as 38900856289 + 61322597956 = 197233^2 + 247634^2 .

It is a cyclic number.

It is not a de Polignac number, because 100223454245 - 2¹⁴ = 100223437861 is a prime.

It is a congruent number.

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, 10022345420 + ... + 10022345429.

It is an arithmetic number, because the mean of its divisors is an integer number (30067036275).

Almost surely, 2^100223454245 is an apocalyptic number.

It is an amenable number.

100223454245 is a deficient number, since it is larger than the sum of its proper divisors (20044690855).

100223454245 is an equidigital number, since it uses as much as digits as its factorization.

100223454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044690854.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 100223454245 its reverse (542454322001), we get a palindrome (642677776246).

The spelling of 100223454245 in words is "one hundred billion, two hundred twenty-three million, four hundred fifty-four thousand, two hundred forty-five".