45785140 has 24 divisors (see below), whose sum is σ = 99251712. Its totient is φ = 17723040.

The previous prime is 45785119. The next prime is 45785149. The reversal of 45785140 is 4158754.

It is a junction number, because it is equal to n+sod(n) for n = 45785096 and 45785105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45785149) 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 7 ways as a sum of consecutive naturals, for example, 36304 + ... + 37543.

It is an arithmetic number, because the mean of its divisors is an integer number (4135488).

Almost surely, 2^45785140 is an apocalyptic number.

It is an amenable number.

45785140 is an abundant number, since it is smaller than the sum of its proper divisors (53466572).

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

45785140 is a wasteful number, since it uses less digits than its factorization.

45785140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73887 (or 73885 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 45785140 is about 6766.4717541714. The cubic root of 45785140 is about 357.7460512941.

The spelling of 45785140 in words is "forty-five million, seven hundred eighty-five thousand, one hundred forty".