545131628 has 12 divisors (see below), whose sum is σ = 954414552. Its totient is φ = 272441760.

The previous prime is 545131577. The next prime is 545131649. The reversal of 545131628 is 826131545.

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 3 ways as a sum of consecutive naturals, for example, 20750 + ... + 38997.

It is an arithmetic number, because the mean of its divisors is an integer number (79534546).

Almost surely, 2^545131628 is an apocalyptic number.

It is an amenable number.

545131628 is a deficient number, since it is larger than the sum of its proper divisors (409282924).

545131628 is a wasteful number, since it uses less digits than its factorization.

545131628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62032 (or 62030 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 545131628 is about 23348.0540516763. The cubic root of 545131628 is about 816.8966718715.

The spelling of 545131628 in words is "five hundred forty-five million, one hundred thirty-one thousand, six hundred twenty-eight".