142066533 has 12 divisors (see below), whose sum is σ = 220348320. Its totient is φ = 81180792.

The previous prime is 142066531. The next prime is 142066543. The reversal of 142066533 is 335660241.

It is not a de Polignac number, because 142066533 - 2¹ = 142066531 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142066533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142066531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483073 + ... + 483366.

It is an arithmetic number, because the mean of its divisors is an integer number (18362360).

Almost surely, 2^142066533 is an apocalyptic number.

It is an amenable number.

142066533 is a deficient number, since it is larger than the sum of its proper divisors (78281787).

142066533 is an equidigital number, since it uses as much as digits as its factorization.

142066533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966456 (or 966449 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 142066533 is about 11919.1666235522. The cubic root of 142066533 is about 521.7918130187.

The spelling of 142066533 in words is "one hundred forty-two million, sixty-six thousand, five hundred thirty-three".