142321102 has 48 divisors (see below), whose sum is σ = 278393472. Its totient is φ = 53008560.

The previous prime is 142321043. The next prime is 142321103. The reversal of 142321102 is 201123241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80593 + ... + 82339.

It is an arithmetic number, because the mean of its divisors is an integer number (5799864).

Almost surely, 2^142321102 is an apocalyptic number.

142321102 is a deficient number, since it is larger than the sum of its proper divisors (136072370).

142321102 is a wasteful number, since it uses less digits than its factorization.

142321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142321102 is about 11929.8408203966. The cubic root of 142321102 is about 522.1032932704.

Adding to 142321102 its reverse (201123241), we get a palindrome (343444343).

The spelling of 142321102 in words is "one hundred forty-two million, three hundred twenty-one thousand, one hundred two".