45548740 has 48 divisors (see below), whose sum is σ = 101098368. Its totient is φ = 17202944.

The previous prime is 45548689. The next prime is 45548747. The reversal of 45548740 is 4784554.

45548740 is a nontrivial binomial coefficient, being equal to C(9545, 2).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45548740.

It is not an unprimeable number, because it can be changed into a prime (45548747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37584 + ... + 38776.

It is an arithmetic number, because the mean of its divisors is an integer number (2106216).

Almost surely, 2^45548740 is an apocalyptic number.

45548740 is the 9544-th triangular number.

45548740 is the 3182-nd centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45548740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50549184).

45548740 is an abundant number, since it is smaller than the sum of its proper divisors (55549628).

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

45548740 is a wasteful number, since it uses less digits than its factorization.

45548740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 45548740 is about 6748.9806637743. The cubic root of 45548740 is about 357.1292781123.

The spelling of 45548740 in words is "forty-five million, five hundred forty-eight thousand, seven hundred forty".