2281206545 has 16 divisors (see below), whose sum is σ = 2817346752. Its totient is φ = 1772191680.

The previous prime is 2281206491. The next prime is 2281206559. The reversal of 2281206545 is 5456021822.

2281206545 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 2281206545 - 2⁸ = 2281206289 is a prime.

It is a Duffinian number.

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, 6530 + ... + 67860.

It is an arithmetic number, because the mean of its divisors is an integer number (176084172).

Almost surely, 2^2281206545 is an apocalyptic number.

It is an amenable number.

2281206545 is a deficient number, since it is larger than the sum of its proper divisors (536140207).

2281206545 is a wasteful number, since it uses less digits than its factorization.

2281206545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61552.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2281206545 is about 47761.9780264595. The cubic root of 2281206545 is about 1316.4009983314.

The spelling of 2281206545 in words is "two billion, two hundred eighty-one million, two hundred six thousand, five hundred forty-five".