545559234 has 96 divisors (see below), whose sum is σ = 1241253888. Its totient is φ = 159667200.

The previous prime is 545559233. The next prime is 545559239. The reversal of 545559234 is 432955545.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (545559233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4295679 + ... + 4295805.

It is an arithmetic number, because the mean of its divisors is an integer number (12929728).

Almost surely, 2^545559234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545559234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620626944).

545559234 is an abundant number, since it is smaller than the sum of its proper divisors (695694654).

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

545559234 is a wasteful number, since it uses less digits than its factorization.

545559234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 301 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 545559234 is about 23357.2094651737. The cubic root of 545559234 is about 817.1102096706.

The spelling of 545559234 in words is "five hundred forty-five million, five hundred fifty-nine thousand, two hundred thirty-four".