45540782 has 32 divisors (see below), whose sum is σ = 81948672. Its totient is φ = 18558144.

The previous prime is 45540779. The next prime is 45540787. The reversal of 45540782 is 28704554.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74723 + ... + 75329.

It is an arithmetic number, because the mean of its divisors is an integer number (2560896).

Almost surely, 2^45540782 is an apocalyptic number.

45540782 is a deficient number, since it is larger than the sum of its proper divisors (36407890).

45540782 is a wasteful number, since it uses less digits than its factorization.

45540782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 45540782 is about 6748.3910675064. The cubic root of 45540782 is about 357.1084784127.

The spelling of 45540782 in words is "forty-five million, five hundred forty thousand, seven hundred eighty-two".