45304578 has 96 divisors (see below), whose sum is σ = 113278464. Its totient is φ = 13068000.

The previous prime is 45304577. The next prime is 45304591. The reversal of 45304578 is 87540354.

It is not an unprimeable number, because it can be changed into a prime (45304577) 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 47 ways as a sum of consecutive naturals, for example, 742668 + ... + 742728.

It is an arithmetic number, because the mean of its divisors is an integer number (1179984).

Almost surely, 2^45304578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45304578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56639232).

45304578 is an abundant number, since it is smaller than the sum of its proper divisors (67973886).

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

45304578 is a wasteful number, since it uses less digits than its factorization.

45304578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 45304578 is about 6730.8675518094. The cubic root of 45304578 is about 356.4900092734.

The spelling of 45304578 in words is "forty-five million, three hundred four thousand, five hundred seventy-eight".