2214543545 has 8 divisors (see below), whose sum is σ = 2657949000. Its totient is φ = 1771303680.

The previous prime is 2214543521. The next prime is 2214543589. The reversal of 2214543545 is 5453454122.

It can be written as a sum of positive squares in 4 ways, for example, as 62789776 + 2151753769 = 7924^2 + 46387^2 .

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

It is not a de Polignac number, because 2214543545 - 2²² = 2210349241 is a prime.

It is a super-2 number, since 2×2214543545² = 9808406225402334050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776 + ... + 67265.

It is an arithmetic number, because the mean of its divisors is an integer number (332243625).

Almost surely, 2^2214543545 is an apocalyptic number.

It is an amenable number.

2214543545 is a deficient number, since it is larger than the sum of its proper divisors (443405455).

2214543545 is an equidigital number, since it uses as much as digits as its factorization.

2214543545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82795.

The product of its digits is 96000, while the sum is 35.

The square root of 2214543545 is about 47058.9369301942. The cubic root of 2214543545 is about 1303.4510955937.

Adding to 2214543545 its reverse (5453454122), we get a palindrome (7667997667).

The spelling of 2214543545 in words is "two billion, two hundred fourteen million, five hundred forty-three thousand, five hundred forty-five".