545625143 has 6 divisors (see below), whose sum is σ = 634706856. Its totient is φ = 467678652.

The previous prime is 545625121. The next prime is 545625163. The reversal of 545625143 is 341526545.

It is not a de Polignac number, because 545625143 - 2²⁰ = 544576567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545625163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5567555 + ... + 5567652.

It is an arithmetic number, because the mean of its divisors is an integer number (105784476).

Almost surely, 2^545625143 is an apocalyptic number.

545625143 is a deficient number, since it is larger than the sum of its proper divisors (89081713).

545625143 is a wasteful number, since it uses less digits than its factorization.

545625143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135221 (or 11135214 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 545625143 is about 23358.6203145648. The cubic root of 545625143 is about 817.1431133682.

The spelling of 545625143 in words is "five hundred forty-five million, six hundred twenty-five thousand, one hundred forty-three".