142444004402111 has 4 divisors (see below), whose sum is σ = 149941057265400. Its totient is φ = 134946951538824.

The previous prime is 142444004402059. The next prime is 142444004402113. The reversal of 142444004402111 is 111204400444241.

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

It is a cyclic number.

It is not a de Polignac number, because 142444004402111 - 2¹⁰ = 142444004401087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142444004402113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748526431616 + ... + 3748526431653.

It is an arithmetic number, because the mean of its divisors is an integer number (37485264316350).

Almost surely, 2^{142444004402111} is an apocalyptic number.

142444004402111 is a deficient number, since it is larger than the sum of its proper divisors (7497052863289).

142444004402111 is an equidigital number, since it uses as much as digits as its factorization.

142444004402111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497052863288.

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 142444004402111 its reverse (111204400444241), we get a palindrome (253648404846352).

The spelling of 142444004402111 in words is "one hundred forty-two trillion, four hundred forty-four billion, four million, four hundred two thousand, one hundred eleven".