142252535 has 16 divisors (see below), whose sum is σ = 174096000. Its totient is φ = 111561216.

The previous prime is 142252489. The next prime is 142252543. The reversal of 142252535 is 535252241.

It is a cyclic number.

It is not a de Polignac number, because 142252535 - 2¹² = 142248439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142252498 and 142252507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57647 + ... + 60063.

It is an arithmetic number, because the mean of its divisors is an integer number (10881000).

Almost surely, 2^142252535 is an apocalyptic number.

142252535 is a deficient number, since it is larger than the sum of its proper divisors (31843465).

142252535 is a wasteful number, since it uses less digits than its factorization.

142252535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 12000, while the sum is 29.

The square root of 142252535 is about 11926.9667141315. The cubic root of 142252535 is about 522.0194340567.

The spelling of 142252535 in words is "one hundred forty-two million, two hundred fifty-two thousand, five hundred thirty-five".