245312445351405 has 64 divisors (see below), whose sum is σ = 406530233303040. Its totient is φ = 126185469753600.

The previous prime is 245312445351341. The next prime is 245312445351409. The reversal of 245312445351405 is 504153544213542.

It is a happy number.

It is not a de Polignac number, because 245312445351405 - 2⁶ = 245312445351341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245312445351409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 282186960 + ... + 283054950.

It is an arithmetic number, because the mean of its divisors is an integer number (6352034895360).

Almost surely, 2^{245312445351405} is an apocalyptic number.

It is an amenable number.

245312445351405 is a deficient number, since it is larger than the sum of its proper divisors (161217787951635).

245312445351405 is a wasteful number, since it uses less digits than its factorization.

245312445351405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870082.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 245312445351405 its reverse (504153544213542), we get a palindrome (749465989564947).

The spelling of 245312445351405 in words is "two hundred forty-five trillion, three hundred twelve billion, four hundred forty-five million, three hundred fifty-one thousand, four hundred five".