142122533 has 16 divisors (see below), whose sum is σ = 177914880. Its totient is φ = 110697216.

The previous prime is 142122529. The next prime is 142122551. The reversal of 142122533 is 335221241.

It is not a de Polignac number, because 142122533 - 2² = 142122529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142122499 and 142122508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142122503) 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 15 ways as a sum of consecutive naturals, for example, 17141 + ... + 24042.

It is an arithmetic number, because the mean of its divisors is an integer number (11119680).

Almost surely, 2^142122533 is an apocalyptic number.

It is an amenable number.

142122533 is a deficient number, since it is larger than the sum of its proper divisors (35792347).

142122533 is a wasteful number, since it uses less digits than its factorization.

142122533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41236.

The product of its digits is 1440, while the sum is 23.

The square root of 142122533 is about 11921.5155496271. The cubic root of 142122533 is about 521.8603642399.

Adding to 142122533 its reverse (335221241), we get a palindrome (477343774).

The spelling of 142122533 in words is "one hundred forty-two million, one hundred twenty-two thousand, five hundred thirty-three".