102143342 has 40 divisors (see below), whose sum is σ = 181504800. Its totient is φ = 43102752.

The previous prime is 102143329. The next prime is 102143381. The reversal of 102143342 is 243341201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 427259 + ... + 427497.

It is an arithmetic number, because the mean of its divisors is an integer number (4537620).

Almost surely, 2^102143342 is an apocalyptic number.

102143342 is a deficient number, since it is larger than the sum of its proper divisors (79361458).

102143342 is an frugal number, since it uses more digits than its factorization.

102143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102143342 is about 10106.5989333702. The cubic root of 102143342 is about 467.4516399784.

Adding to 102143342 its reverse (243341201), we get a palindrome (345484543).

The spelling of 102143342 in words is "one hundred two million, one hundred forty-three thousand, three hundred forty-two".