142181024033 has 4 divisors (see below), whose sum is σ = 150544613700. Its totient is φ = 133817434368.

The previous prime is 142181024021. The next prime is 142181024047. The reversal of 142181024033 is 330420181241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330420181241 = 149 ⋅2217585109.

It can be written as a sum of positive squares in 2 ways, for example, as 48775605904 + 93405418129 = 220852^2 + 305623^2 .

It is a cyclic number.

It is not a de Polignac number, because 142181024033 - 2⁶ = 142181023969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142181023987 and 142181024005.

It is not an unprimeable number, because it can be changed into a prime (142181024003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181794808 + ... + 4181794841.

It is an arithmetic number, because the mean of its divisors is an integer number (37636153425).

Almost surely, 2^142181024033 is an apocalyptic number.

It is an amenable number.

142181024033 is a deficient number, since it is larger than the sum of its proper divisors (8363589667).

142181024033 is an equidigital number, since it uses as much as digits as its factorization.

142181024033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363589666.

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

The spelling of 142181024033 in words is "one hundred forty-two billion, one hundred eighty-one million, twenty-four thousand, thirty-three".