142413443044021 has 4 divisors (see below), whose sum is σ = 142425529404192. Its totient is φ = 142401356683852.

The previous prime is 142413443043997. The next prime is 142413443044121. The reversal of 142413443044021 is 120440344314241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142413443044021 - 2²³ = 142413434655413 is a prime.

It is a super-2 number, since 2×142413443044021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142413443044121) 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, 6043162411 + ... + 6043185976.

It is an arithmetic number, because the mean of its divisors is an integer number (35606382351048).

Almost surely, 2^{142413443044021} is an apocalyptic number.

It is an amenable number.

142413443044021 is a deficient number, since it is larger than the sum of its proper divisors (12086360171).

142413443044021 is a wasteful number, since it uses less digits than its factorization.

142413443044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086360170.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 142413443044021 its reverse (120440344314241), we get a palindrome (262853787358262).

The spelling of 142413443044021 in words is "one hundred forty-two trillion, four hundred thirteen billion, four hundred forty-three million, forty-four thousand, twenty-one".