45405345220 has 48 divisors (see below), whose sum is σ = 101004019200. Its totient is φ = 17086344704.

The previous prime is 45405345179. The next prime is 45405345229. The reversal of 45405345220 is 2254350454.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (45405345229) 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, 787827 + ... + 843493.

It is an arithmetic number, because the mean of its divisors is an integer number (2104250400).

Almost surely, 2^45405345220 is an apocalyptic number.

It is an amenable number.

45405345220 is an abundant number, since it is smaller than the sum of its proper divisors (55598673980).

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

45405345220 is a wasteful number, since it uses less digits than its factorization.

45405345220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58092 (or 58090 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 45405345220 its reverse (2254350454), we get a palindrome (47659695674).

It can be divided in two parts, 45405 and 345220, that added together give a 8-th power (390625 = 5⁸).

The spelling of 45405345220 in words is "forty-five billion, four hundred five million, three hundred forty-five thousand, two hundred twenty".