142832805 has 32 divisors (see below), whose sum is σ = 233694720. Its totient is φ = 74472000.

The previous prime is 142832803. The next prime is 142832819. The reversal of 142832805 is 508238241.

It is not a de Polignac number, because 142832805 - 2¹ = 142832803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142832803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221814 + ... + 222456.

It is an arithmetic number, because the mean of its divisors is an integer number (7302960).

Almost surely, 2^142832805 is an apocalyptic number.

142832805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142832805 is a deficient number, since it is larger than the sum of its proper divisors (90861915).

142832805 is a wasteful number, since it uses less digits than its factorization.

142832805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 142832805 is about 11951.2679243669. The cubic root of 142832805 is about 522.7282703355.

The spelling of 142832805 in words is "one hundred forty-two million, eight hundred thirty-two thousand, eight hundred five".