45524015220 has 48 divisors (see below), whose sum is σ = 131579094528. Its totient is φ = 11748132480.

The previous prime is 45524015209. The next prime is 45524015227. The reversal of 45524015220 is 2251042554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45524015227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12235779 + ... + 12239498.

It is an arithmetic number, because the mean of its divisors is an integer number (2741231136).

Almost surely, 2^45524015220 is an apocalyptic number.

It is an amenable number.

45524015220 is an abundant number, since it is smaller than the sum of its proper divisors (86055079308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45524015220 is a wasteful number, since it uses less digits than its factorization.

45524015220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24475320 (or 24475318 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 45524015220 its reverse (2251042554), we get a palindrome (47775057774).

The spelling of 45524015220 in words is "forty-five billion, five hundred twenty-four million, fifteen thousand, two hundred twenty".