45215023522 has 8 divisors (see below), whose sum is σ = 71812096236. Its totient is φ = 21277658112.

The previous prime is 45215023487. The next prime is 45215023523. The reversal of 45215023522 is 22532051254.

It can be written as a sum of positive squares in 2 ways, for example, as 35276728041 + 9938295481 = 187821^2 + 99691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45215023523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664926783 + ... + 664926850.

Almost surely, 2^45215023522 is an apocalyptic number.

45215023522 is a deficient number, since it is larger than the sum of its proper divisors (26597072714).

45215023522 is a wasteful number, since it uses less digits than its factorization.

45215023522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329853652.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 45215023522 its reverse (22532051254), we get a palindrome (67747074776).

The spelling of 45215023522 in words is "forty-five billion, two hundred fifteen million, twenty-three thousand, five hundred twenty-two".