142608831 has 8 divisors (see below), whose sum is σ = 190225920. Its totient is φ = 95032152.

The previous prime is 142608803. The next prime is 142608839. The reversal of 142608831 is 138806241.

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

It is not a de Polignac number, because 142608831 - 2⁵ = 142608799 is a prime.

It is a super-2 number, since 2×142608831² = 40674557358373122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142608792 and 142608801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142608839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585 + ... + 16898.

It is an arithmetic number, because the mean of its divisors is an integer number (23778240).

Almost surely, 2^142608831 is an apocalyptic number.

142608831 is a deficient number, since it is larger than the sum of its proper divisors (47617089).

142608831 is a wasteful number, since it uses less digits than its factorization.

142608831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20205.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 142608831 is about 11941.8939452668. The cubic root of 142608831 is about 522.4548999175.

The spelling of 142608831 in words is "one hundred forty-two million, six hundred eight thousand, eight hundred thirty-one".