1522043504545 has 8 divisors (see below), whose sum is σ = 1826465926824. Its totient is φ = 1217625656064.

The previous prime is 1522043504519. The next prime is 1522043504551. The reversal of 1522043504545 is 5454053402251.

It can be written as a sum of positive squares in 4 ways, for example, as 590666028304 + 931377476241 = 768548^2 + 965079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1522043504545 - 2²⁵ = 1522009950113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1522043504498 and 1522043504507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362904 + ... + 1782073.

It is an arithmetic number, because the mean of its divisors is an integer number (228308240853).

Almost surely, 2^{1522043504545} is an apocalyptic number.

It is an amenable number.

1522043504545 is a deficient number, since it is larger than the sum of its proper divisors (304422422279).

1522043504545 is a wasteful number, since it uses less digits than its factorization.

1522043504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286899.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 1522043504545 its reverse (5454053402251), we get a palindrome (6976096906796).

The spelling of 1522043504545 in words is "one trillion, five hundred twenty-two billion, forty-three million, five hundred four thousand, five hundred forty-five".