45530772 has 48 divisors (see below), whose sum is σ = 123486720. Its totient is φ = 12786912.

The previous prime is 45530761. The next prime is 45530773. The reversal of 45530772 is 27703554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45530773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (2572640).

Almost surely, 2^45530772 is an apocalyptic number.

45530772 is a gapful number since it is divisible by the number (42) 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 45530772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61743360).

45530772 is an abundant number, since it is smaller than the sum of its proper divisors (77955948).

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

45530772 is a wasteful number, since it uses less digits than its factorization.

45530772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 45530772 is about 6747.6493684838. The cubic root of 45530772 is about 357.0823119918.

The spelling of 45530772 in words is "forty-five million, five hundred thirty thousand, seven hundred seventy-two".