4208545 has 8 divisors (see below), whose sum is σ = 5509440. Its totient is φ = 3060720.

The previous prime is 4208507. The next prime is 4208549. The reversal of 4208545 is 5458024.

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

It is not a de Polignac number, because 4208545 - 2¹⁵ = 4175777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4208549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38205 + ... + 38314.

It is an arithmetic number, because the mean of its divisors is an integer number (688680).

Almost surely, 2^4208545 is an apocalyptic number.

It is an amenable number.

4208545 is a deficient number, since it is larger than the sum of its proper divisors (1300895).

4208545 is a wasteful number, since it uses less digits than its factorization.

4208545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76535.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4208545 is about 2051.4738604233. The cubic root of 4208545 is about 161.4522091145.

It can be divided in two parts, 4208 and 545, that added together give a triangular number (4753 = T₉₇).

The spelling of 4208545 in words is "four million, two hundred eight thousand, five hundred forty-five".