545854231 has 16 divisors (see below), whose sum is σ = 614154240. Its totient is φ = 481707360.

The previous prime is 545854223. The next prime is 545854259. The reversal of 545854231 is 132458545.

It is a cyclic number.

It is not a de Polignac number, because 545854231 - 2³ = 545854223 is a prime.

It is a super-2 number, since 2×545854231² = 595913683001202722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545854201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25290 + ... + 41608.

It is an arithmetic number, because the mean of its divisors is an integer number (38384640).

Almost surely, 2^545854231 is an apocalyptic number.

545854231 is a deficient number, since it is larger than the sum of its proper divisors (68300009).

545854231 is a wasteful number, since it uses less digits than its factorization.

545854231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446.

The product of its digits is 96000, while the sum is 37.

The square root of 545854231 is about 23363.5235142305. The cubic root of 545854231 is about 817.2574601812.

The spelling of 545854231 in words is "five hundred forty-five million, eight hundred fifty-four thousand, two hundred thirty-one".