214544242 has 16 divisors (see below), whose sum is σ = 362398464. Its totient is φ = 94374000.

The previous prime is 214544221. The next prime is 214544249. The reversal of 214544242 is 242445412.

It is a self number, because there is not a number n which added to its sum of digits gives 214544242.

It is not an unprimeable number, because it can be changed into a prime (214544249) 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, 156609 + ... + 157972.

It is an arithmetic number, because the mean of its divisors is an integer number (22649904).

Almost surely, 2^214544242 is an apocalyptic number.

214544242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214544242 is a deficient number, since it is larger than the sum of its proper divisors (147854222).

214544242 is a wasteful number, since it uses less digits than its factorization.

214544242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314625.

The product of its digits is 10240, while the sum is 28.

The square root of 214544242 is about 14647.3288349788. The cubic root of 214544242 is about 598.6490363711.

Adding to 214544242 its reverse (242445412), we get a palindrome (456989654).

The spelling of 214544242 in words is "two hundred fourteen million, five hundred forty-four thousand, two hundred forty-two".