45651660 has 96 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 11776512.

The previous prime is 45651659. The next prime is 45651677. The reversal of 45651660 is 6615654.

45651660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 443169 + ... + 443271.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^45651660 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 45651660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

45651660 is an abundant number, since it is smaller than the sum of its proper divisors (86436660).

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

45651660 is a wasteful number, since it uses less digits than its factorization.

45651660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 45651660 is about 6756.6012165881. The cubic root of 45651660 is about 357.3980604913.

The spelling of 45651660 in words is "forty-five million, six hundred fifty-one thousand, six hundred sixty".