545133120 has 224 divisors, whose sum is σ = 2064642048. Its totient is φ = 119150592.

The previous prime is 545133041. The next prime is 545133133. The reversal of 545133120 is 21331545.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152797 + ... + 156323.

It is an arithmetic number, because the mean of its divisors is an integer number (9217152).

Almost surely, 2^545133120 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 545133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032321024).

545133120 is an abundant number, since it is smaller than the sum of its proper divisors (1519508928).

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

545133120 is a wasteful number, since it uses less digits than its factorization.

545133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 545133120 is about 23348.0860029254. The cubic root of 545133120 is about 816.8974171403.

Adding to 545133120 its reverse (21331545), we get a palindrome (566464665).

The spelling of 545133120 in words is "five hundred forty-five million, one hundred thirty-three thousand, one hundred twenty".