16228545 has 16 divisors (see below), whose sum is σ = 26861760. Its totient is φ = 8356544.

The previous prime is 16228529. The next prime is 16228561. The reversal of 16228545 is 54582261.

16228545 = T₂₁₄ + T₂₁₅ + ... + T₄₇₄.

16228545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16228529) and next prime (16228561).

It is a cyclic number.

It is not a de Polignac number, because 16228545 - 2⁴ = 16228529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18219 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (1678860).

Almost surely, 2^16228545 is an apocalyptic number.

16228545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16228545 is a deficient number, since it is larger than the sum of its proper divisors (10633215).

16228545 is a wasteful number, since it uses less digits than its factorization.

16228545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344.

The product of its digits is 19200, while the sum is 33.

The square root of 16228545 is about 4028.4668299491. The cubic root of 16228545 is about 253.1783283464.

The spelling of 16228545 in words is "sixteen million, two hundred twenty-eight thousand, five hundred forty-five".