228000545 has 8 divisors (see below), whose sum is σ = 275437800. Its totient is φ = 181175680.

The previous prime is 228000533. The next prime is 228000559. The reversal of 228000545 is 545000822.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 227677921 = 568^2 + 15089^2 .

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

It is not a de Polignac number, because 228000545 - 2⁴ = 228000529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152276 + ... + 153765.

It is an arithmetic number, because the mean of its divisors is an integer number (34429725).

Almost surely, 2^228000545 is an apocalyptic number.

It is an amenable number.

228000545 is a deficient number, since it is larger than the sum of its proper divisors (47437255).

228000545 is a wasteful number, since it uses less digits than its factorization.

228000545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306195.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 228000545 is about 15099.6869172841. The cubic root of 228000545 is about 610.9119611928.

The spelling of 228000545 in words is "two hundred twenty-eight million, five hundred forty-five", and thus it is an aban number.