545180506 has 8 divisors (see below), whose sum is σ = 880676244. Its totient is φ = 251621760.

The previous prime is 545180453. The next prime is 545180513. The reversal of 545180506 is 605081545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 544802281 + 378225 = 23341^2 + 615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10484215 + ... + 10484266.

Almost surely, 2^545180506 is an apocalyptic number.

545180506 is a deficient number, since it is larger than the sum of its proper divisors (335495738).

545180506 is a wasteful number, since it uses less digits than its factorization.

545180506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20968496.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 545180506 is about 23349.1007535622. The cubic root of 545180506 is about 816.9210862087.

The spelling of 545180506 in words is "five hundred forty-five million, one hundred eighty thousand, five hundred six".