45851784 has 128 divisors (see below), whose sum is σ = 132969600. Its totient is φ = 13045760.

The previous prime is 45851783. The next prime is 45851797. The reversal of 45851784 is 48715854.

It is not an unprimeable number, because it can be changed into a prime (45851783) 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, 405712 + ... + 405824.

It is an arithmetic number, because the mean of its divisors is an integer number (1038825).

Almost surely, 2^45851784 is an apocalyptic number.

45851784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45851784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66484800).

45851784 is an abundant number, since it is smaller than the sum of its proper divisors (87117816).

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

45851784 is a wasteful number, since it uses less digits than its factorization.

45851784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 211 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 45851784 is about 6771.3945387933. The cubic root of 45851784 is about 357.9195433149.

The spelling of 45851784 in words is "forty-five million, eight hundred fifty-one thousand, seven hundred eighty-four".