225445001102345 has 4 divisors (see below), whose sum is σ = 270534001322820. Its totient is φ = 180356000881872.

The previous prime is 225445001102317. The next prime is 225445001102359. The reversal of 225445001102345 is 543201100544522.

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 51490426516489 + 173954574585856 = 7175683^2 + 13189184^2 .

It is a cyclic number.

It is not a de Polignac number, because 225445001102345 - 2¹² = 225445001098249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225445001102299 and 225445001102308.

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, 22544500110230 + ... + 22544500110239.

It is an arithmetic number, because the mean of its divisors is an integer number (67633500330705).

Almost surely, 2^{225445001102345} is an apocalyptic number.

It is an amenable number.

225445001102345 is a deficient number, since it is larger than the sum of its proper divisors (45089000220475).

225445001102345 is an equidigital number, since it uses as much as digits as its factorization.

225445001102345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45089000220474.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 225445001102345 its reverse (543201100544522), we get a palindrome (768646101646867).

The spelling of 225445001102345 in words is "two hundred twenty-five trillion, four hundred forty-five billion, one million, one hundred two thousand, three hundred forty-five".