142120413443 has 4 divisors (see below), whose sum is σ = 142124124600. Its totient is φ = 142116702288.

The previous prime is 142120413439. The next prime is 142120413469. The reversal of 142120413443 is 344314021241.

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 142120413443 - 2² = 142120413439 is a prime.

It is a super-2 number, since 2×142120413443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142128413443) 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, 1797530 + ... + 1874927.

It is an arithmetic number, because the mean of its divisors is an integer number (35531031150).

Almost surely, 2^142120413443 is an apocalyptic number.

142120413443 is a deficient number, since it is larger than the sum of its proper divisors (3711157).

142120413443 is an equidigital number, since it uses as much as digits as its factorization.

142120413443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711156.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 142120413443 its reverse (344314021241), we get a palindrome (486434434684).

The spelling of 142120413443 in words is "one hundred forty-two billion, one hundred twenty million, four hundred thirteen thousand, four hundred forty-three".