545315140 has 24 divisors (see below), whose sum is σ = 1154184192. Its totient is φ = 216407520.

The previous prime is 545315107. The next prime is 545315149. The reversal of 545315140 is 41513545.

It is a junction number, because it is equal to n+sod(n) for n = 545315099 and 545315108.

It is not an unprimeable number, because it can be changed into a prime (545315149) 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, 104806 + ... + 109885.

It is an arithmetic number, because the mean of its divisors is an integer number (48091008).

Almost surely, 2^545315140 is an apocalyptic number.

It is an amenable number.

545315140 is an abundant number, since it is smaller than the sum of its proper divisors (608869052).

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

545315140 is a wasteful number, since it uses less digits than its factorization.

545315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214827 (or 214825 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 545315140 is about 23351.9836416524. The cubic root of 545315140 is about 816.9883277308.

Adding to 545315140 its reverse (41513545), we get a palindrome (586828685).

The spelling of 545315140 in words is "five hundred forty-five million, three hundred fifteen thousand, one hundred forty".