214160545 has 8 divisors (see below), whose sum is σ = 261841896. Its totient is φ = 168095616.

The previous prime is 214160539. The next prime is 214160579. The reversal of 214160545 is 545061412.

It can be written as a sum of positive squares in 4 ways, for example, as 41422096 + 172738449 = 6436^2 + 13143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 214160545 - 2¹⁹ = 213636257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403812 + ... + 404341.

It is an arithmetic number, because the mean of its divisors is an integer number (32730237).

Almost surely, 2^214160545 is an apocalyptic number.

It is an amenable number.

214160545 is a deficient number, since it is larger than the sum of its proper divisors (47681351).

214160545 is an equidigital number, since it uses as much as digits as its factorization.

214160545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808211.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 214160545 is about 14634.2251246863. The cubic root of 214160545 is about 598.2919431094.

The spelling of 214160545 in words is "two hundred fourteen million, one hundred sixty thousand, five hundred forty-five".