142133231243 has 4 divisors (see below), whose sum is σ = 142135827600. Its totient is φ = 142130634888.

The previous prime is 142133231179. The next prime is 142133231249. The reversal of 142133231243 is 342132331241.

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 142133231243 - 2⁶ = 142133231179 is a prime.

It is a super-2 number, since 2×142133231243² (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 (142133231249) 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, 1214255 + ... + 1326152.

It is an arithmetic number, because the mean of its divisors is an integer number (35533956900).

Almost surely, 2^142133231243 is an apocalyptic number.

142133231243 is a deficient number, since it is larger than the sum of its proper divisors (2596357).

142133231243 is an equidigital number, since it uses as much as digits as its factorization.

142133231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596356.

The product of its digits is 10368, while the sum is 29.

Adding to 142133231243 its reverse (342132331241), we get a palindrome (484265562484).

The spelling of 142133231243 in words is "one hundred forty-two billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred forty-three".