45705780 has 72 divisors (see below), whose sum is σ = 143130624. Its totient is φ = 11793600.

The previous prime is 45705739. The next prime is 45705817. The reversal of 45705780 is 8750754.

45705780 is a `hidden beast` number, since 4 + 570 + 5 + 7 + 80 = 666.

45705780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1485 + ... + 9675.

Almost surely, 2^45705780 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 45705780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71565312).

45705780 is an abundant number, since it is smaller than the sum of its proper divisors (97424844).

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

45705780 is a wasteful number, since it uses less digits than its factorization.

45705780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237 (or 8232 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 45705780 is about 6760.6050025127. The cubic root of 45705780 is about 357.5392364062.

The spelling of 45705780 in words is "forty-five million, seven hundred five thousand, seven hundred eighty".