214542320 has 40 divisors (see below), whose sum is σ = 514907520. Its totient is φ = 83047680.

The previous prime is 214542313. The next prime is 214542323. The reversal of 214542320 is 23245412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214542323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40775 + ... + 45734.

It is an arithmetic number, because the mean of its divisors is an integer number (12872688).

Almost surely, 2^214542320 is an apocalyptic number.

214542320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214542320 is an abundant number, since it is smaller than the sum of its proper divisors (300365200).

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

214542320 is a wasteful number, since it uses less digits than its factorization.

214542320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86553 (or 86547 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 214542320 is about 14647.2632255995. The cubic root of 214542320 is about 598.6472486949.

Adding to 214542320 its reverse (23245412), we get a palindrome (237787732).

The spelling of 214542320 in words is "two hundred fourteen million, five hundred forty-two thousand, three hundred twenty".