102857342 has 8 divisors (see below), whose sum is σ = 176326896. Its totient is φ = 44081712.

The previous prime is 102857273. The next prime is 102857347. The reversal of 102857342 is 243758201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102857299 and 102857308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102857347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673463 + ... + 3673490.

It is an arithmetic number, because the mean of its divisors is an integer number (22040862).

Almost surely, 2^102857342 is an apocalyptic number.

102857342 is a deficient number, since it is larger than the sum of its proper divisors (73469554).

102857342 is an equidigital number, since it uses as much as digits as its factorization.

102857342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346962.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 102857342 is about 10141.8608746127. The cubic root of 102857342 is about 468.5383017518.

The spelling of 102857342 in words is "one hundred two million, eight hundred fifty-seven thousand, three hundred forty-two".