245316571445 has 16 divisors (see below), whose sum is σ = 324321321600. Its totient is φ = 176645592000.

The previous prime is 245316571433. The next prime is 245316571463. The reversal of 245316571445 is 544175613542.

It is not a de Polignac number, because 245316571445 - 2⁸ = 245316571189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245316571445.

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 15 ways as a sum of consecutive naturals, for example, 22075145 + ... + 22086254.

It is an arithmetic number, because the mean of its divisors is an integer number (20270082600).

Almost surely, 2^245316571445 is an apocalyptic number.

It is an amenable number.

245316571445 is a deficient number, since it is larger than the sum of its proper divisors (79004750155).

245316571445 is a wasteful number, since it uses less digits than its factorization.

245316571445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44161516.

The product of its digits is 2016000, while the sum is 47.

The spelling of 245316571445 in words is "two hundred forty-five billion, three hundred sixteen million, five hundred seventy-one thousand, four hundred forty-five".