245023531540145 has 32 divisors (see below), whose sum is σ = 299737483119360. Its totient is φ = 192244363073280.

The previous prime is 245023531540129. The next prime is 245023531540157. The reversal of 245023531540145 is 541045135320542.

It is a happy number.

It is not a de Polignac number, because 245023531540145 - 2⁴ = 245023531540129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245023531540096 and 245023531540105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49131002 + ... + 53887868.

It is an arithmetic number, because the mean of its divisors is an integer number (9366796347480).

Almost surely, 2^{245023531540145} is an apocalyptic number.

It is an amenable number.

245023531540145 is a deficient number, since it is larger than the sum of its proper divisors (54713951579215).

245023531540145 is a wasteful number, since it uses less digits than its factorization.

245023531540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757705.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 245023531540145 its reverse (541045135320542), we get a palindrome (786068666860687).

The spelling of 245023531540145 in words is "two hundred forty-five trillion, twenty-three billion, five hundred thirty-one million, five hundred forty thousand, one hundred forty-five".