45223012515 has 16 divisors (see below), whose sum is σ = 72363819168. Its totient is φ = 24116606976.

The previous prime is 45223012493. The next prime is 45223012517. The reversal of 45223012515 is 51521032254.

It is not a de Polignac number, because 45223012515 - 2¹² = 45223008419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45223012517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20547 + ... + 301443.

It is an arithmetic number, because the mean of its divisors is an integer number (4522738698).

Almost surely, 2^45223012515 is an apocalyptic number.

45223012515 is a deficient number, since it is larger than the sum of its proper divisors (27140806653).

45223012515 is a wasteful number, since it uses less digits than its factorization.

45223012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291638.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 45223012515 its reverse (51521032254), we get a palindrome (96744044769).

The spelling of 45223012515 in words is "forty-five billion, two hundred twenty-three million, twelve thousand, five hundred fifteen".