228334545 has 40 divisors (see below), whose sum is σ = 423446760. Its totient is φ = 117573120.

The previous prime is 228334541. The next prime is 228334549. The reversal of 228334545 is 545433822.

228334545 is a `hidden beast` number, since 2 + 2 + 83 + 34 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (228334541) and next prime (228334549).

It can be written as a sum of positive squares in 4 ways, for example, as 8346321 + 219988224 = 2889^2 + 14832^2 .

It is not a de Polignac number, because 228334545 - 2² = 228334541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228334541) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2025 + ... + 21465.

It is an arithmetic number, because the mean of its divisors is an integer number (10586169).

Almost surely, 2^228334545 is an apocalyptic number.

It is an amenable number.

228334545 is a deficient number, since it is larger than the sum of its proper divisors (195112215).

228334545 is a wasteful number, since it uses less digits than its factorization.

228334545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19487 (or 19478 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 228334545 is about 15110.7427017999. The cubic root of 228334545 is about 611.2101257440.

The spelling of 228334545 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, five hundred forty-five".