442253121001142 has 16 divisors (see below), whose sum is σ = 723820520988432. Its totient is φ = 200987035989120.

The previous prime is 442253121001127. The next prime is 442253121001177. The reversal of 442253121001142 is 241100121352244.

It is a junction number, because it is equal to n+sod(n) for n = 442253121001099 and 442253121001108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1855374143 + ... + 1855612490.

It is an arithmetic number, because the mean of its divisors is an integer number (45238782561777).

Almost surely, 2^{442253121001142} is an apocalyptic number.

442253121001142 is a deficient number, since it is larger than the sum of its proper divisors (281567399987290).

442253121001142 is a wasteful number, since it uses less digits than its factorization.

442253121001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710992063.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 442253121001142 its reverse (241100121352244), we get a palindrome (683353242353386).

The spelling of 442253121001142 in words is "four hundred forty-two trillion, two hundred fifty-three billion, one hundred twenty-one million, one thousand, one hundred forty-two".