228454545 has 64 divisors (see below), whose sum is σ = 413061120. Its totient is φ = 106867200.

The previous prime is 228454529. The next prime is 228454559. The reversal of 228454545 is 545454822.

It is not a de Polignac number, because 228454545 - 2⁴ = 228454529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 690030 + ... + 690360.

It is an arithmetic number, because the mean of its divisors is an integer number (6454080).

Almost surely, 2^228454545 is an apocalyptic number.

It is an amenable number.

228454545 is a deficient number, since it is larger than the sum of its proper divisors (184606575).

228454545 is a wasteful number, since it uses less digits than its factorization.

228454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 256000, while the sum is 39.

The square root of 228454545 is about 15114.7128652846. The cubic root of 228454545 is about 611.3171797308.

The spelling of 228454545 in words is "two hundred twenty-eight million, four hundred fifty-four thousand, five hundred forty-five".