214147144 has 8 divisors (see below), whose sum is σ = 401525910. Its totient is φ = 107073568.

The previous prime is 214147127. The next prime is 214147159. The reversal of 214147144 is 441741412.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 103266244 = 10530^2 + 10162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13384189 + ... + 13384204.

Almost surely, 2^214147144 is an apocalyptic number.

It is an amenable number.

214147144 is a deficient number, since it is larger than the sum of its proper divisors (187378766).

214147144 is a wasteful number, since it uses less digits than its factorization.

214147144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26768399 (or 26768395 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 214147144 is about 14633.7672524883. The cubic root of 214147144 is about 598.2794635658.

Adding to 214147144 its reverse (441741412), we get a palindrome (655888556).

The spelling of 214147144 in words is "two hundred fourteen million, one hundred forty-seven thousand, one hundred forty-four".