33142143029 has 4 divisors (see below), whose sum is σ = 33142659276. Its totient is φ = 33141626784.

The previous prime is 33142143019. The next prime is 33142143049. The reversal of 33142143029 is 92034124133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25097846929 + 8044296100 = 158423^2 + 89690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33142143029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33142142986 and 33142143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33142143019) 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, 145424 + ... + 295689.

It is an arithmetic number, because the mean of its divisors is an integer number (8285664819).

Almost surely, 2^33142143029 is an apocalyptic number.

It is an amenable number.

33142143029 is a deficient number, since it is larger than the sum of its proper divisors (516247).

33142143029 is an equidigital number, since it uses as much as digits as its factorization.

33142143029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516246.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 33142143029 in words is "thirty-three billion, one hundred forty-two million, one hundred forty-three thousand, twenty-nine".