245023302221345 has 8 divisors (see below), whose sum is σ = 311323725175464. Its totient is φ = 184488133437184.

The previous prime is 245023302221303. The next prime is 245023302221387. The reversal of 245023302221345 is 543122203320542.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (245023302221303) and next prime (245023302221387).

It can be written as a sum of positive squares in 4 ways, for example, as 38887908024289 + 206135394197056 = 6236017^2 + 14357416^2 .

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 245023302221345 - 2⁶ = 245023302221281 is a prime.

It is a super-2 number, since 2×245023302221345² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245023302221299 and 245023302221308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441313542394 + ... + 1441313542563.

It is an arithmetic number, because the mean of its divisors is an integer number (38915465646933).

Almost surely, 2^{245023302221345} is an apocalyptic number.

It is an amenable number.

245023302221345 is a deficient number, since it is larger than the sum of its proper divisors (66300422954119).

245023302221345 is a wasteful number, since it uses less digits than its factorization.

245023302221345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882627084979.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 245023302221345 its reverse (543122203320542), we get a palindrome (788145505541887).

The spelling of 245023302221345 in words is "two hundred forty-five trillion, twenty-three billion, three hundred two million, two hundred twenty-one thousand, three hundred forty-five".