142234033 has 4 divisors (see below), whose sum is σ = 144917748. Its totient is φ = 139550320.

The previous prime is 142234013. The next prime is 142234069. The reversal of 142234033 is 330432241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330432241 = 317 ⋅1042373.

It can be written as a sum of positive squares in 2 ways, for example, as 117353889 + 24880144 = 10833^2 + 4988^2 .

It is a cyclic number.

It is not a de Polignac number, because 142234033 - 2¹³ = 142225841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142233995 and 142234013.

It is not an unprimeable number, because it can be changed into a prime (142234013) 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, 1341778 + ... + 1341883.

It is an arithmetic number, because the mean of its divisors is an integer number (36229437).

Almost surely, 2^142234033 is an apocalyptic number.

It is an amenable number.

142234033 is a deficient number, since it is larger than the sum of its proper divisors (2683715).

142234033 is an equidigital number, since it uses as much as digits as its factorization.

142234033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683714.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142234033 is about 11926.1910516309. The cubic root of 142234033 is about 521.9968010158.

Adding to 142234033 its reverse (330432241), we get a palindrome (472666274).

The spelling of 142234033 in words is "one hundred forty-two million, two hundred thirty-four thousand, thirty-three".