545182380 has 192 divisors, whose sum is σ = 1772305920. Its totient is φ = 139007232.

The previous prime is 545182373. The next prime is 545182411. The reversal of 545182380 is 83281545.

It is a happy number.

545182380 is a `hidden beast` number, since 545 + 1 + 82 + 38 + 0 = 666.

545182380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1230439 + ... + 1230881.

It is an arithmetic number, because the mean of its divisors is an integer number (9230760).

Almost surely, 2^545182380 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 545182380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886152960).

545182380 is an abundant number, since it is smaller than the sum of its proper divisors (1227123540).

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

545182380 is a wasteful number, since it uses less digits than its factorization.

545182380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 545182380 is about 23349.1408835529. The cubic root of 545182380 is about 816.9220222341.

The spelling of 545182380 in words is "five hundred forty-five million, one hundred eighty-two thousand, three hundred eighty".