545475 has 24 divisors (see below), whose sum is σ = 1031680. Its totient is φ = 249120.

The previous prime is 545473. The next prime is 545477. The reversal of 545475 is 574545.

It is an interprime number because it is at equal distance from previous prime (545473) and next prime (545477).

It is not a de Polignac number, because 545475 - 2¹ = 545473 is a prime.

545475 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545475.

It is not an unprimeable number, because it can be changed into a prime (545473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6 + ... + 1044.

2⁵⁴⁵⁴⁷⁵ is an apocalyptic number.

545475 is a deficient number, since it is larger than the sum of its proper divisors (486205).

545475 is a wasteful number, since it uses less digits than its factorization.

545475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1054 counting only the distinct ones).

The product of its digits is 14000, while the sum is 30.

The square root of 545475 is about 738.5627935389. The cubic root of 545475 is about 81.7068153740.

The spelling of 545475 in words is "five hundred forty-five thousand, four hundred seventy-five".