142233044421 has 16 divisors (see below), whose sum is σ = 204239327936. Its totient is φ = 87524914176.

The previous prime is 142233044419. The next prime is 142233044467. The reversal of 142233044421 is 124440332241.

It is not a de Polignac number, because 142233044421 - 2¹ = 142233044419 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 (142233044411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562661 + ... + 1651173.

It is an arithmetic number, because the mean of its divisors is an integer number (12764957996).

Almost surely, 2^142233044421 is an apocalyptic number.

It is an amenable number.

142233044421 is a deficient number, since it is larger than the sum of its proper divisors (62006283515).

142233044421 is a wasteful number, since it uses less digits than its factorization.

142233044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129732.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142233044421 its reverse (124440332241), we get a palindrome (266673376662).

The spelling of 142233044421 in words is "one hundred forty-two billion, two hundred thirty-three million, forty-four thousand, four hundred twenty-one".