142702102 has 4 divisors (see below), whose sum is σ = 214053156. Its totient is φ = 71351050.

The previous prime is 142702093. The next prime is 142702117. The reversal of 142702102 is 201207241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201207241 = 8747 ⋅23003.

It is a self number, because there is not a number n which added to its sum of digits gives 142702102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35675524 + ... + 35675527.

It is an arithmetic number, because the mean of its divisors is an integer number (53513289).

Almost surely, 2^142702102 is an apocalyptic number.

142702102 is a deficient number, since it is larger than the sum of its proper divisors (71351054).

142702102 is an equidigital number, since it uses as much as digits as its factorization.

142702102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71351053.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 142702102 is about 11945.7985082622. The cubic root of 142702102 is about 522.5687761546.

Adding to 142702102 its reverse (201207241), we get a palindrome (343909343).

It can be divided in two parts, 142 and 702102, that added together give a square (702244 = 838²).

The spelling of 142702102 in words is "one hundred forty-two million, seven hundred two thousand, one hundred two".