45506784 has 24 divisors (see below), whose sum is σ = 119455560. Its totient is φ = 15168896.

The previous prime is 45506777. The next prime is 45506789. The reversal of 45506784 is 48760554.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45506789) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 236919 + ... + 237110.

It is an arithmetic number, because the mean of its divisors is an integer number (4977315).

Almost surely, 2^45506784 is an apocalyptic number.

It is an amenable number.

45506784 is an abundant number, since it is smaller than the sum of its proper divisors (73948776).

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

45506784 is a wasteful number, since it uses less digits than its factorization.

45506784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474042 (or 474034 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 45506784 is about 6745.8716264097. The cubic root of 45506784 is about 357.0195910755.

The spelling of 45506784 in words is "forty-five million, five hundred six thousand, seven hundred eighty-four".