245305032545 has 16 divisors (see below), whose sum is σ = 296104278672. Its totient is φ = 195085482240.

The previous prime is 245305032529. The next prime is 245305032559. The reversal of 245305032545 is 545230503542.

It can be written as a sum of positive squares in 8 ways, for example, as 27417729889 + 217887302656 = 165583^2 + 466784^2 .

It is not a de Polignac number, because 245305032545 - 2⁴ = 245305032529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245305032499 and 245305032508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10836659 + ... + 10859271.

It is an arithmetic number, because the mean of its divisors is an integer number (18506517417).

Almost surely, 2^245305032545 is an apocalyptic number.

It is an amenable number.

245305032545 is a deficient number, since it is larger than the sum of its proper divisors (50799246127).

245305032545 is a wasteful number, since it uses less digits than its factorization.

245305032545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35332.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 245305032545 in words is "two hundred forty-five billion, three hundred five million, thirty-two thousand, five hundred forty-five".