142355210243651 has 4 divisors (see below), whose sum is σ = 142355477471592. Its totient is φ = 142354943015712.

The previous prime is 142355210243629. The next prime is 142355210243693. The reversal of 142355210243651 is 156342012553241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142355210243651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142355210240651) 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 in 3 ways as a sum of consecutive naturals, for example, 132813305 + ... + 133880858.

It is an arithmetic number, because the mean of its divisors is an integer number (35588869367898).

Almost surely, 2^{142355210243651} is an apocalyptic number.

142355210243651 is a deficient number, since it is larger than the sum of its proper divisors (267227941).

142355210243651 is an equidigital number, since it uses as much as digits as its factorization.

142355210243651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267227940.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 142355210243651 its reverse (156342012553241), we get a palindrome (298697222796892).

The spelling of 142355210243651 in words is "one hundred forty-two trillion, three hundred fifty-five billion, two hundred ten million, two hundred forty-three thousand, six hundred fifty-one".