208126045 has 16 divisors (see below), whose sum is σ = 256753728. Its totient is φ = 161861760.

The previous prime is 208126043. The next prime is 208126109. The reversal of 208126045 is 540621802.

208126045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208126045 - 2¹ = 208126043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208126043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61282 + ... + 64588.

It is an arithmetic number, because the mean of its divisors is an integer number (16047108).

Almost surely, 2^208126045 is an apocalyptic number.

It is an amenable number.

208126045 is a deficient number, since it is larger than the sum of its proper divisors (48627683).

208126045 is a wasteful number, since it uses less digits than its factorization.

208126045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 208126045 is about 14426.5742641834. The cubic root of 208126045 is about 592.6188715070.

Adding to 208126045 its reverse (540621802), we get a palindrome (748747847).

It can be divided in two parts, 208 and 126045, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 208126045 in words is "two hundred eight million, one hundred twenty-six thousand, forty-five".