142305236443 has 8 divisors (see below), whose sum is σ = 144030086928. Its totient is φ = 140580632064.

The previous prime is 142305236441. The next prime is 142305236497. The reversal of 142305236443 is 344632503241.

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

It is a cyclic number.

It is not a de Polignac number, because 142305236443 - 2¹ = 142305236441 is a prime.

It is a super-3 number, since 3×142305236443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142305236441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277271 + ... + 1384207.

It is an arithmetic number, because the mean of its divisors is an integer number (18003760866).

Almost surely, 2^142305236443 is an apocalyptic number.

142305236443 is a deficient number, since it is larger than the sum of its proper divisors (1724850485).

142305236443 is a wasteful number, since it uses less digits than its factorization.

142305236443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123053.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 142305236443 its reverse (344632503241), we get a palindrome (486937739684).

The spelling of 142305236443 in words is "one hundred forty-two billion, three hundred five million, two hundred thirty-six thousand, four hundred forty-three".