57142835 has 8 divisors (see below), whose sum is σ = 70030656. Its totient is φ = 44741440.

The previous prime is 57142793. The next prime is 57142843. The reversal of 57142835 is 53824175.

It is a happy number.

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

It is not a de Polignac number, because 57142835 - 2¹⁶ = 57077299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57142795 and 57142804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121346 + ... + 121815.

It is an arithmetic number, because the mean of its divisors is an integer number (8753832).

Almost surely, 2^57142835 is an apocalyptic number.

57142835 is a deficient number, since it is larger than the sum of its proper divisors (12887821).

57142835 is a wasteful number, since it uses less digits than its factorization.

57142835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243213.

The product of its digits is 33600, while the sum is 35.

The square root of 57142835 is about 7559.2879955721. The cubic root of 57142835 is about 385.1713073595.

The spelling of 57142835 in words is "fifty-seven million, one hundred forty-two thousand, eight hundred thirty-five".