142444340202402 has 48 divisors (see below), whose sum is σ = 352728919787712. Its totient is φ = 40697275085280.

The previous prime is 142444340202391. The next prime is 142444340202443. The reversal of 142444340202402 is 204202043444241.

142444340202402 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 4 + 4 + 3 + 40 + 202 + 402 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10733728 + ... + 20002539.

It is an arithmetic number, because the mean of its divisors is an integer number (7348519162244).

Almost surely, 2^{142444340202402} is an apocalyptic number.

142444340202402 is an abundant number, since it is smaller than the sum of its proper divisors (210284579585310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142444340202402 is a wasteful number, since it uses less digits than its factorization.

142444340202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30773063 (or 30773060 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 142444340202402 its reverse (204202043444241), we get a palindrome (346646383646643).

The spelling of 142444340202402 in words is "one hundred forty-two trillion, four hundred forty-four billion, three hundred forty million, two hundred two thousand, four hundred two".