45666140 has 96 divisors (see below), whose sum is σ = 109396224. Its totient is φ = 15897600.

The previous prime is 45666133. The next prime is 45666143. The reversal of 45666140 is 4166654.

It is a junction number, because it is equal to n+sod(n) for n = 45666097 and 45666106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452090 + ... + 452190.

It is an arithmetic number, because the mean of its divisors is an integer number (1139544).

Almost surely, 2^45666140 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 45666140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54698112).

45666140 is an abundant number, since it is smaller than the sum of its proper divisors (63730084).

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

45666140 is a wasteful number, since it uses less digits than its factorization.

45666140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45666140 is about 6757.6726762991. The cubic root of 45666140 is about 357.4358435413.

The spelling of 45666140 in words is "forty-five million, six hundred sixty-six thousand, one hundred forty".