142444433431345 has 16 divisors (see below), whose sum is σ = 179935219728000. Its totient is φ = 107954640943488.

The previous prime is 142444433431331. The next prime is 142444433431543. The reversal of 142444433431345 is 543134334444241.

It is not a de Polignac number, because 142444433431345 - 2⁹ = 142444433430833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19358725 + ... + 25683634.

It is an arithmetic number, because the mean of its divisors is an integer number (11245951233000).

Almost surely, 2^{142444433431345} is an apocalyptic number.

It is an amenable number.

142444433431345 is a deficient number, since it is larger than the sum of its proper divisors (37490786296655).

142444433431345 is a wasteful number, since it uses less digits than its factorization.

142444433431345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075672.

The product of its digits is 13271040, while the sum is 49.

Adding to 142444433431345 its reverse (543134334444241), we get a palindrome (685578767875586).

The spelling of 142444433431345 in words is "one hundred forty-two trillion, four hundred forty-four billion, four hundred thirty-three million, four hundred thirty-one thousand, three hundred forty-five".