45539616 has 48 divisors (see below), whose sum is σ = 122097024. Its totient is φ = 14855424.

The previous prime is 45539581. The next prime is 45539621. The reversal of 45539616 is 61693554.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 535 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (2543688).

Almost surely, 2^45539616 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 45539616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61048512).

45539616 is an abundant number, since it is smaller than the sum of its proper divisors (76557408).

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

45539616 is a wasteful number, since it uses less digits than its factorization.

45539616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153 (or 10145 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 45539616 is about 6748.3046759909. The cubic root of 45539616 is about 357.1054306533.

The spelling of 45539616 in words is "forty-five million, five hundred thirty-nine thousand, six hundred sixteen".