142105033 has 4 divisors (see below), whose sum is σ = 162405760. Its totient is φ = 121804308.

The previous prime is 142105021. The next prime is 142105079. The reversal of 142105033 is 330501241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142105033 - 2¹³ = 142096841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142105033.

It is not an unprimeable number, because it can be changed into a prime (142105433) 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, 10150353 + ... + 10150366.

It is an arithmetic number, because the mean of its divisors is an integer number (40601440).

Almost surely, 2^142105033 is an apocalyptic number.

It is an amenable number.

142105033 is a deficient number, since it is larger than the sum of its proper divisors (20300727).

142105033 is an equidigital number, since it uses as much as digits as its factorization.

142105033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20300726.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 142105033 is about 11920.7815599482. The cubic root of 142105033 is about 521.8389439179.

Adding to 142105033 its reverse (330501241), we get a palindrome (472606274).

The spelling of 142105033 in words is "one hundred forty-two million, one hundred five thousand, thirty-three".