142102002 has 16 divisors (see below), whose sum is σ = 324804672. Its totient is φ = 40600560.

The previous prime is 142101989. The next prime is 142102013. The reversal of 142102002 is 200201241.

142102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691649 + ... + 1691732.

It is an arithmetic number, because the mean of its divisors is an integer number (20300292).

Almost surely, 2^142102002 is an apocalyptic number.

142102002 is an abundant number, since it is smaller than the sum of its proper divisors (182702670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142102002 is a wasteful number, since it uses less digits than its factorization.

142102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383393.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 142102002 is about 11920.6544283441. The cubic root of 142102002 is about 521.8352337395.

Adding to 142102002 its reverse (200201241), we get a palindrome (342303243).

The spelling of 142102002 in words is "one hundred forty-two million, one hundred two thousand, two".