45845280 has 288 divisors, whose sum is σ = 176117760. Its totient is φ = 10782720.

The previous prime is 45845227. The next prime is 45845281. The reversal of 45845280 is 8254854.

It is a tau number, because it is divible by the number of its divisors (288).

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 (45845281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580281 + ... + 580359.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^45845280 is an apocalyptic number.

45845280 is a gapful number since it is divisible by the number (40) 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 45845280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

45845280 is an abundant number, since it is smaller than the sum of its proper divisors (130272480).

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

45845280 is a wasteful number, since it uses less digits than its factorization.

45845280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 45845280 is about 6770.9142661830. The cubic root of 45845280 is about 357.9026190822.

The spelling of 45845280 in words is "forty-five million, eight hundred forty-five thousand, two hundred eighty".