142832217 has 8 divisors (see below), whose sum is σ = 207756000. Its totient is φ = 86564960.

The previous prime is 142832213. The next prime is 142832219. The reversal of 142832217 is 712238241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142832217 - 2² = 142832213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142832213) 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, 2164092 + ... + 2164157.

It is an arithmetic number, because the mean of its divisors is an integer number (25969500).

Almost surely, 2^142832217 is an apocalyptic number.

It is an amenable number.

142832217 is a deficient number, since it is larger than the sum of its proper divisors (64923783).

142832217 is a wasteful number, since it uses less digits than its factorization.

142832217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328263.

The product of its digits is 5376, while the sum is 30.

The square root of 142832217 is about 11951.2433244412. The cubic root of 142832217 is about 522.7275530291.

The spelling of 142832217 in words is "one hundred forty-two million, eight hundred thirty-two thousand, two hundred seventeen".