142333243441021 has 8 divisors (see below), whose sum is σ = 143459030518784. Its totient is φ = 141207535314720.

The previous prime is 142333243441009. The next prime is 142333243441027. The reversal of 142333243441021 is 120144342333241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142333243441021 - 2⁷ = 142333243440893 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 (142333243441027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16115400 + ... + 23331793.

It is an arithmetic number, because the mean of its divisors is an integer number (17932378814848).

Almost surely, 2^{142333243441021} is an apocalyptic number.

It is an amenable number.

142333243441021 is a deficient number, since it is larger than the sum of its proper divisors (1125787077763).

142333243441021 is a wasteful number, since it uses less digits than its factorization.

142333243441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39475731.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 142333243441021 its reverse (120144342333241), we get a palindrome (262477585774262).

The spelling of 142333243441021 in words is "one hundred forty-two trillion, three hundred thirty-three billion, two hundred forty-three million, four hundred forty-one thousand, twenty-one".