45224784 has 160 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 13219200.

The previous prime is 45224783. The next prime is 45224813. The reversal of 45224784 is 48742254.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45224783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147159 + ... + 147465.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 2^45224784 is an apocalyptic number.

45224784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45224784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73328640).

45224784 is an abundant number, since it is smaller than the sum of its proper divisors (101432496).

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

45224784 is a wasteful number, since it uses less digits than its factorization.

45224784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 45224784 is about 6724.9374718283. The cubic root of 45224784 is about 356.2805934945.

The spelling of 45224784 in words is "forty-five million, two hundred twenty-four thousand, seven hundred eighty-four".