214144243402 has 8 divisors (see below), whose sum is σ = 321226840836. Its totient is φ = 107068629792.

The previous prime is 214144243367. The next prime is 214144243409. The reversal of 214144243402 is 204342441412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206905807161 + 7238436241 = 454869^2 + 85079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (214144243409) 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, 1668613 + ... + 1792360.

Almost surely, 2^214144243402 is an apocalyptic number.

214144243402 is a deficient number, since it is larger than the sum of its proper divisors (107082597434).

214144243402 is a wasteful number, since it uses less digits than its factorization.

214144243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491912.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 214144243402 its reverse (204342441412), we get a palindrome (418486684814).

The spelling of 214144243402 in words is "two hundred fourteen billion, one hundred forty-four million, two hundred forty-three thousand, four hundred two".