45248220 has 240 divisors, whose sum is σ = 158070528. Its totient is φ = 10782720.

The previous prime is 45248183. The next prime is 45248233. The reversal of 45248220 is 2284254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 853714 + ... + 853766.

Almost surely, 2^45248220 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 45248220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79035264).

45248220 is an abundant number, since it is smaller than the sum of its proper divisors (112822308).

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

45248220 is a wasteful number, since it uses less digits than its factorization.

45248220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 45248220 is about 6726.6797158777. The cubic root of 45248220 is about 356.3421257588.

The spelling of 45248220 in words is "forty-five million, two hundred forty-eight thousand, two hundred twenty".