45428244 has 12 divisors (see below), whose sum is σ = 105999264. Its totient is φ = 15142744.

The previous prime is 45428213. The next prime is 45428249. The reversal of 45428244 is 44282454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45428249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892832 + ... + 1892855.

It is an arithmetic number, because the mean of its divisors is an integer number (8833272).

Almost surely, 2^45428244 is an apocalyptic number.

It is an amenable number.

45428244 is an abundant number, since it is smaller than the sum of its proper divisors (60571020).

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

45428244 is a wasteful number, since it uses less digits than its factorization.

45428244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785694 (or 3785692 counting only the distinct ones).

The product of its digits is 40960, while the sum is 33.

The square root of 45428244 is about 6740.0477743114. The cubic root of 45428244 is about 356.8140798435.

The spelling of 45428244 in words is "forty-five million, four hundred twenty-eight thousand, two hundred forty-four".