214045144 has 16 divisors (see below), whose sum is σ = 409874400. Its totient is φ = 104745312.

The previous prime is 214045123. The next prime is 214045171. The reversal of 214045144 is 441540412.

It is a super-4 number, since 4×214045144⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284259 + ... + 285010.

It is an arithmetic number, because the mean of its divisors is an integer number (25617150).

Almost surely, 2^214045144 is an apocalyptic number.

It is an amenable number.

214045144 is a deficient number, since it is larger than the sum of its proper divisors (195829256).

214045144 is a wasteful number, since it uses less digits than its factorization.

214045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569322 (or 569318 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 214045144 is about 14630.2817471162. The cubic root of 214045144 is about 598.1844600470.

Adding to 214045144 its reverse (441540412), we get a palindrome (655585556).

The spelling of 214045144 in words is "two hundred fourteen million, forty-five thousand, one hundred forty-four".