142933866 has 16 divisors (see below), whose sum is σ = 295725600. Its totient is φ = 46001648.

The previous prime is 142933829. The next prime is 142933867. The reversal of 142933866 is 668339241.

It is not an unprimeable number, because it can be changed into a prime (142933867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410556 + ... + 410903.

It is an arithmetic number, because the mean of its divisors is an integer number (18482850).

Almost surely, 2^142933866 is an apocalyptic number.

142933866 is an abundant number, since it is smaller than the sum of its proper divisors (152791734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142933866 is a wasteful number, since it uses less digits than its factorization.

142933866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821493.

The product of its digits is 186624, while the sum is 42.

The square root of 142933866 is about 11955.4952218635. The cubic root of 142933866 is about 522.8515263044.

The spelling of 142933866 in words is "one hundred forty-two million, nine hundred thirty-three thousand, eight hundred sixty-six".