142334144402146 has 16 divisors (see below), whose sum is σ = 226155055174200. Its totient is φ = 66952642435840.

The previous prime is 142334144402083. The next prime is 142334144402161. The reversal of 142334144402146 is 641204441433241.

It can be written as a sum of positive squares in 4 ways, for example, as 117739101085225 + 24595043316921 = 10850765^2 + 4959339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879024121 + ... + 879186028.

Almost surely, 2^{142334144402146} is an apocalyptic number.

142334144402146 is a deficient number, since it is larger than the sum of its proper divisors (83820910772054).

142334144402146 is a wasteful number, since it uses less digits than its factorization.

142334144402146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758212549.

The product of its (nonzero) digits is 884736, while the sum is 43.

Adding to 142334144402146 its reverse (641204441433241), we get a palindrome (783538585835387).

The spelling of 142334144402146 in words is "one hundred forty-two trillion, three hundred thirty-four billion, one hundred forty-four million, four hundred two thousand, one hundred forty-six".