45441330 has 64 divisors (see below), whose sum is σ = 124167168. Its totient is φ = 10535360.

The previous prime is 45441313. The next prime is 45441359. The reversal of 45441330 is 3314454.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45441330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4597 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (1940112).

Almost surely, 2^45441330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45441330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62083584).

45441330 is an abundant number, since it is smaller than the sum of its proper divisors (78725838).

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

45441330 is a wasteful number, since it uses less digits than its factorization.

45441330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 45441330 is about 6741.0184690446. The cubic root of 45441330 is about 356.8483376852.

Adding to 45441330 its reverse (3314454), we get a palindrome (48755784).

The spelling of 45441330 in words is "forty-five million, four hundred forty-one thousand, three hundred thirty".