142933845 has 32 divisors (see below), whose sum is σ = 243171072. Its totient is φ = 71532032.

The previous prime is 142933829. The next prime is 142933867. The reversal of 142933845 is 548339241.

It is a cyclic number.

It is not a de Polignac number, because 142933845 - 2⁴ = 142933829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14377 + ... + 22193.

It is an arithmetic number, because the mean of its divisors is an integer number (7599096).

Almost surely, 2^142933845 is an apocalyptic number.

142933845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142933845 is a deficient number, since it is larger than the sum of its proper divisors (100237227).

142933845 is a wasteful number, since it uses less digits than its factorization.

142933845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901.

The product of its digits is 103680, while the sum is 39.

The square root of 142933845 is about 11955.4943436062. The cubic root of 142933845 is about 522.8515006984.

The spelling of 142933845 in words is "one hundred forty-two million, nine hundred thirty-three thousand, eight hundred forty-five".