214544140 has 12 divisors (see below), whose sum is σ = 450542736. Its totient is φ = 85817648.

The previous prime is 214544101. The next prime is 214544147. The reversal of 214544140 is 41445412.

214544140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (214544147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363584 + ... + 5363623.

It is an arithmetic number, because the mean of its divisors is an integer number (37545228).

Almost surely, 2^214544140 is an apocalyptic number.

214544140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214544140 is an abundant number, since it is smaller than the sum of its proper divisors (235998596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214544140 is a wasteful number, since it uses less digits than its factorization.

214544140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727216 (or 10727214 counting only the distinct ones).

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

The square root of 214544140 is about 14647.3253531148. The cubic root of 214544140 is about 598.6489414999.

Adding to 214544140 its reverse (41445412), we get a palindrome (255989552).

The spelling of 214544140 in words is "two hundred fourteen million, five hundred forty-four thousand, one hundred forty".