45446784 has 64 divisors (see below), whose sum is σ = 127092000. Its totient is φ = 14349312.

The previous prime is 45446783. The next prime is 45446801. The reversal of 45446784 is 48764454.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (45446783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4182 + ... + 10410.

Almost surely, 2^45446784 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 45446784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63546000).

45446784 is an abundant number, since it is smaller than the sum of its proper divisors (81645216).

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

45446784 is a wasteful number, since it uses less digits than its factorization.

45446784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265 (or 6253 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 45446784 is about 6741.4229951843. The cubic root of 45446784 is about 356.8626137710.

The spelling of 45446784 in words is "forty-five million, four hundred forty-six thousand, seven hundred eighty-four".