45273516 has 48 divisors (see below), whose sum is σ = 115476480. Its totient is φ = 13743360.

The previous prime is 45273511. The next prime is 45273559. The reversal of 45273516 is 61537254.

45273516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45273511) 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 15 ways as a sum of consecutive naturals, for example, 2745 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (2405760).

Almost surely, 2^45273516 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 45273516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57738240).

45273516 is an abundant number, since it is smaller than the sum of its proper divisors (70202964).

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

45273516 is a wasteful number, since it uses less digits than its factorization.

45273516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214 (or 7212 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 45273516 is about 6728.5597270144. The cubic root of 45273516 is about 356.4085176977.

The spelling of 45273516 in words is "forty-five million, two hundred seventy-three thousand, five hundred sixteen".