545943156 has 24 divisors (see below), whose sum is σ = 1389673824. Its totient is φ = 165437280.

The previous prime is 545943149. The next prime is 545943161. The reversal of 545943156 is 651349545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067835 + ... + 2068098.

It is an arithmetic number, because the mean of its divisors is an integer number (57903076).

Almost surely, 2^545943156 is an apocalyptic number.

It is an amenable number.

545943156 is an abundant number, since it is smaller than the sum of its proper divisors (843730668).

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

545943156 is a wasteful number, since it uses less digits than its factorization.

545943156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135951 (or 4135949 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 545943156 is about 23365.4265101239. The cubic root of 545943156 is about 817.3018375194.

The spelling of 545943156 in words is "five hundred forty-five million, nine hundred forty-three thousand, one hundred fifty-six".