45226428 has 72 divisors (see below), whose sum is σ = 118364400. Its totient is φ = 13418496.

The previous prime is 45226397. The next prime is 45226429. The reversal of 45226428 is 82462254.

45226428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45226429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58428 + ... + 59196.

It is an arithmetic number, because the mean of its divisors is an integer number (1643950).

Almost surely, 2^45226428 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 45226428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59182200).

45226428 is an abundant number, since it is smaller than the sum of its proper divisors (73137972).

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

45226428 is a wasteful number, since it uses less digits than its factorization.

45226428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 816 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 45226428 is about 6725.0597023372. The cubic root of 45226428 is about 356.2849105831.

It can be divided in two parts, 45226 and 428, that added together give a palindrome (45654).

The spelling of 45226428 in words is "forty-five million, two hundred twenty-six thousand, four hundred twenty-eight".