142401116243 has 4 divisors (see below), whose sum is σ = 142439637960. Its totient is φ = 142362594528.

The previous prime is 142401116239. The next prime is 142401116261. The reversal of 142401116243 is 342611104241.

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 142401116243 - 2² = 142401116239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142401113243) 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, 19255313 + ... + 19262706.

It is an arithmetic number, because the mean of its divisors is an integer number (35609909490).

Almost surely, 2^142401116243 is an apocalyptic number.

142401116243 is a deficient number, since it is larger than the sum of its proper divisors (38521717).

142401116243 is an equidigital number, since it uses as much as digits as its factorization.

142401116243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38521716.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 142401116243 in words is "one hundred forty-two billion, four hundred one million, one hundred sixteen thousand, two hundred forty-three".