142102 has 8 divisors (see below), whose sum is σ = 214776. Its totient is φ = 70512.

The previous prime is 142099. The next prime is 142111. The reversal of 142102 is 201241.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (26847).

2¹⁴²¹⁰² is an apocalyptic number.

142102 is a deficient number, since it is larger than the sum of its proper divisors (72674).

142102 is a wasteful number, since it uses less digits than its factorization.

142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 142102 is about 376.9641892806. The cubic root of 142102 is about 52.1835231291.

Adding to 142102 its reverse (201241), we get a palindrome (343343).

It can be divided in two parts, 14 and 2102, that added together give a square (2116 = 46²).

The spelling of 142102 in words is "one hundred forty-two thousand, one hundred two", and thus it is an iban number.