545414523 has 4 divisors (see below), whose sum is σ = 727219368. Its totient is φ = 363609680.

The previous prime is 545414509. The next prime is 545414539. The reversal of 545414523 is 325414545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545414523 - 2²⁵ = 511860091 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (545414503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90902418 + ... + 90902423.

It is an arithmetic number, because the mean of its divisors is an integer number (181804842).

Almost surely, 2^545414523 is an apocalyptic number.

545414523 is a deficient number, since it is larger than the sum of its proper divisors (181804845).

545414523 is a wasteful number, since it uses less digits than its factorization.

545414523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181804844.

The product of its digits is 48000, while the sum is 33.

The square root of 545414523 is about 23354.1114795661. Note that the first 3 decimals coincide. The cubic root of 545414523 is about 817.0379564152.

The spelling of 545414523 in words is "five hundred forty-five million, four hundred fourteen thousand, five hundred twenty-three".