45545130 has 48 divisors (see below), whose sum is σ = 119059200. Its totient is φ = 12079584.

The previous prime is 45545111. The next prime is 45545153. The reversal of 45545130 is 3154554.

It is a junction number, because it is equal to n+sod(n) for n = 45545094 and 45545103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16639 + ... + 19181.

It is an arithmetic number, because the mean of its divisors is an integer number (2480400).

Almost surely, 2^45545130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45545130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59529600).

45545130 is an abundant number, since it is smaller than the sum of its proper divisors (73514070).

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

45545130 is a wasteful number, since it uses less digits than its factorization.

45545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45545130 is about 6748.7132106795. The cubic root of 45545130 is about 357.1198430122.

Adding to 45545130 its reverse (3154554), we get a palindrome (48699684).

The spelling of 45545130 in words is "forty-five million, five hundred forty-five thousand, one hundred thirty".