214146505 has 8 divisors (see below), whose sum is σ = 257226624. Its totient is φ = 171150000.

The previous prime is 214146479. The next prime is 214146529. The reversal of 214146505 is 505641412.

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

It is not a de Polignac number, because 214146505 - 2¹⁹ = 213622217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121 + ... + 25630.

It is an arithmetic number, because the mean of its divisors is an integer number (32153328).

Almost surely, 2^214146505 is an apocalyptic number.

It is an amenable number.

214146505 is a deficient number, since it is larger than the sum of its proper divisors (43080119).

214146505 is a wasteful number, since it uses less digits than its factorization.

214146505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41807.

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

The square root of 214146505 is about 14633.7454194065. The cubic root of 214146505 is about 598.2788684906.

Adding to 214146505 its reverse (505641412), we get a palindrome (719787917).

The spelling of 214146505 in words is "two hundred fourteen million, one hundred forty-six thousand, five hundred five".