545130378 has 64 divisors (see below), whose sum is σ = 1310668800. Its totient is φ = 166950720.

The previous prime is 545130373. The next prime is 545130379. The reversal of 545130378 is 873031545.

It is not an unprimeable number, because it can be changed into a prime (545130373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159063 + ... + 162453.

It is an arithmetic number, because the mean of its divisors is an integer number (20479200).

Almost surely, 2^545130378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545130378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655334400).

545130378 is an abundant number, since it is smaller than the sum of its proper divisors (765538422).

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

545130378 is a wasteful number, since it uses less digits than its factorization.

545130378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 545130378 is about 23348.0272828348. The cubic root of 545130378 is about 816.8960474831.

The spelling of 545130378 in words is "five hundred forty-five million, one hundred thirty thousand, three hundred seventy-eight".