214112145 has 32 divisors (see below), whose sum is σ = 369637632. Its totient is φ = 105207552.

The previous prime is 214112141. The next prime is 214112147. The reversal of 214112145 is 541211412.

It is not a de Polignac number, because 214112145 - 2² = 214112141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214112141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 191127 + ... + 192243.

It is an arithmetic number, because the mean of its divisors is an integer number (11551176).

Almost surely, 2^214112145 is an apocalyptic number.

It is an amenable number.

214112145 is a deficient number, since it is larger than the sum of its proper divisors (155525487).

214112145 is a wasteful number, since it uses less digits than its factorization.

214112145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its digits is 320, while the sum is 21.

The square root of 214112145 is about 14632.5713734805. The cubic root of 214112145 is about 598.2468686510.

Adding to 214112145 its reverse (541211412), we get a palindrome (755323557).

The spelling of 214112145 in words is "two hundred fourteen million, one hundred twelve thousand, one hundred forty-five".