545289480 has 96 divisors (see below), whose sum is σ = 1775779200. Its totient is φ = 145116288.

The previous prime is 545289449. The next prime is 545289527. The reversal of 545289480 is 84982545.

545289480 is a `hidden beast` number, since 545 + 28 + 9 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221617 + ... + 224063.

It is an arithmetic number, because the mean of its divisors is an integer number (18497700).

Almost surely, 2^545289480 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 545289480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887889600).

545289480 is an abundant number, since it is smaller than the sum of its proper divisors (1230489720).

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

545289480 is a wasteful number, since it uses less digits than its factorization.

545289480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 545289480 is about 23351.4342171953. The cubic root of 545289480 is about 816.9755129699.

The spelling of 545289480 in words is "five hundred forty-five million, two hundred eighty-nine thousand, four hundred eighty".