445413121314545 has 32 divisors (see below), whose sum is σ = 555403061483520. Its totient is φ = 342545112000000.

The previous prime is 445413121314517. The next prime is 445413121314593. The reversal of 445413121314545 is 545413121314544.

It is not a de Polignac number, because 445413121314545 - 2¹⁸ = 445413121052401 is a prime.

It is a super-3 number, since 3×445413121314545³ (a number of 45 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 445413121314545.

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, 1298829461 + ... + 1299172349.

It is an arithmetic number, because the mean of its divisors is an integer number (17356345671360).

Almost surely, 2^{445413121314545} is an apocalyptic number.

It is an amenable number.

445413121314545 is a deficient number, since it is larger than the sum of its proper divisors (109989940168975).

445413121314545 is a wasteful number, since it uses less digits than its factorization.

445413121314545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398577.

The product of its digits is 2304000, while the sum is 47.

Subtracting 445413121314545 from its reverse (545413121314544), we obtain a palindrome (99999999999999).

The spelling of 445413121314545 in words is "four hundred forty-five trillion, four hundred thirteen billion, one hundred twenty-one million, three hundred fourteen thousand, five hundred forty-five".