45550144 has 56 divisors (see below), whose sum is σ = 97292160. Its totient is φ = 21090816.

The previous prime is 45550093. The next prime is 45550147. The reversal of 45550144 is 44105554.

It is not an unprimeable number, because it can be changed into a prime (45550147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56754 + ... + 57550.

It is an arithmetic number, because the mean of its divisors is an integer number (1737360).

Almost surely, 2^45550144 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 45550144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48646080).

45550144 is an abundant number, since it is smaller than the sum of its proper divisors (51742016).

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

45550144 is a wasteful number, since it uses less digits than its factorization.

45550144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45550144 is about 6749.0846786805. The cubic root of 45550144 is about 357.1329474736.

Adding to 45550144 its reverse (44105554), we get a palindrome (89655698).

The spelling of 45550144 in words is "forty-five million, five hundred fifty thousand, one hundred forty-four".