545130140 has 24 divisors (see below), whose sum is σ = 1205025360. Its totient is φ = 206575488.

The previous prime is 545130097. The next prime is 545130163. The reversal of 545130140 is 41031545.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 716897 + ... + 717656.

It is an arithmetic number, because the mean of its divisors is an integer number (50209390).

Almost surely, 2^545130140 is an apocalyptic number.

It is an amenable number.

545130140 is an abundant number, since it is smaller than the sum of its proper divisors (659895220).

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

545130140 is a wasteful number, since it uses less digits than its factorization.

545130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434581 (or 1434579 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 545130140 is about 23348.0221860439. The cubic root of 545130140 is about 816.8959285994.

Adding to 545130140 its reverse (41031545), we get a palindrome (586161685).

The spelling of 545130140 in words is "five hundred forty-five million, one hundred thirty thousand, one hundred forty".