545145433 has 24 divisors (see below), whose sum is σ = 657493632. Its totient is φ = 450372384.

The previous prime is 545145431. The next prime is 545145437. The reversal of 545145433 is 334541545.

It is not a de Polignac number, because 545145433 - 2¹ = 545145431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545145431) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 152535 + ... + 156067.

It is an arithmetic number, because the mean of its divisors is an integer number (27395568).

Almost surely, 2^545145433 is an apocalyptic number.

It is an amenable number.

545145433 is a deficient number, since it is larger than the sum of its proper divisors (112348199).

545145433 is a wasteful number, since it uses less digits than its factorization.

545145433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3654 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 545145433 is about 23348.3496847208. The cubic root of 545145433 is about 816.9035675537.

Adding to 545145433 its reverse (334541545), we get a palindrome (879686978).

The spelling of 545145433 in words is "five hundred forty-five million, one hundred forty-five thousand, four hundred thirty-three".