545779134 has 80 divisors (see below), whose sum is σ = 1278782208. Its totient is φ = 173810448.

The previous prime is 545779111. The next prime is 545779147. The reversal of 545779134 is 431977545.

545779134 is a `hidden beast` number, since 545 + 7 + 79 + 1 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545779134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 326569 + ... + 328235.

Almost surely, 2^545779134 is an apocalyptic number.

545779134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545779134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639391104).

545779134 is an abundant number, since it is smaller than the sum of its proper divisors (733003074).

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

545779134 is a wasteful number, since it uses less digits than its factorization.

545779134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1762 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 545779134 is about 23361.9163169463. The cubic root of 545779134 is about 817.2199798462.

The spelling of 545779134 in words is "five hundred forty-five million, seven hundred seventy-nine thousand, one hundred thirty-four".