214543232542 has 4 divisors (see below), whose sum is σ = 321814848816. Its totient is φ = 107271616270.

The previous prime is 214543232503. The next prime is 214543232549. The reversal of 214543232542 is 245232345412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214543232549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53635808134 + ... + 53635808137.

It is an arithmetic number, because the mean of its divisors is an integer number (80453712204).

Almost surely, 2^214543232542 is an apocalyptic number.

214543232542 is a deficient number, since it is larger than the sum of its proper divisors (107271616274).

214543232542 is a wasteful number, since it uses less digits than its factorization.

214543232542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107271616273.

The product of its digits is 230400, while the sum is 37.

Adding to 214543232542 its reverse (245232345412), we get a palindrome (459775577954).

The spelling of 214543232542 in words is "two hundred fourteen billion, five hundred forty-three million, two hundred thirty-two thousand, five hundred forty-two".