44545020 has 144 divisors (see below), whose sum is σ = 141668352. Its totient is φ = 10433280.

The previous prime is 44545009. The next prime is 44545031. The reversal of 44545020 is 2054544.

It is an interprime number because it is at equal distance from previous prime (44545009) and next prime (44545031).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 233125 + ... + 233315.

It is an arithmetic number, because the mean of its divisors is an integer number (983808).

Almost surely, 2^44545020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44545020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70834176).

44545020 is an abundant number, since it is smaller than the sum of its proper divisors (97123332).

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

44545020 is a wasteful number, since it uses less digits than its factorization.

44545020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 44545020 is about 6674.2055707028. The cubic root of 44545020 is about 354.4865154551.

Adding to 44545020 its reverse (2054544), we get a palindrome (46599564).

The spelling of 44545020 in words is "forty-four million, five hundred forty-five thousand, twenty".