142404212243 has 4 divisors (see below), whose sum is σ = 143311245600. Its totient is φ = 141497178888.

The previous prime is 142404212231. The next prime is 142404212287. The reversal of 142404212243 is 342212404241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142404212243 - 2⁶ = 142404212179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142404212213) 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, 453516443 + ... + 453516756.

It is an arithmetic number, because the mean of its divisors is an integer number (35827811400).

Almost surely, 2^142404212243 is an apocalyptic number.

142404212243 is a deficient number, since it is larger than the sum of its proper divisors (907033357).

142404212243 is an equidigital number, since it uses as much as digits as its factorization.

142404212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907033356.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142404212243 its reverse (342212404241), we get a palindrome (484616616484).

The spelling of 142404212243 in words is "one hundred forty-two billion, four hundred four million, two hundred twelve thousand, two hundred forty-three".